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过滤 (guò lǜ) — Chinese word meaning

HSK 7

过滤 (guò lǜ) is a Chinese word: filter. This page shows its pinyin, translation, example sentences, character breakdown, decomposition, and HSK level.

Meaning of 过滤

动 dòng verb

filter

这个净水器可以过滤自来水中的杂质。

zhè ge jìng shuǐ qì kě yǐ guò lǜ zì lái shuǐ zhōng de zá zhì

This water purifier can filter impurities from tap water.

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Word breakdown

过 guò — to pass through

Words with this character (41)
Show more (+36)
  • 6 难过 nán guò — sad HSK 3
    • 难 difficult, hard to bear
    • 过 to pass through, to endure
    Example

    听到这个消息，我非常难过。

    tīng dào zhè ge xiāo xi wǒ fēi cháng nán guò

    Hearing this news, I felt very sad.

  • 7 不过 bú guò — however HSK 4
    • 不 provides the negative or limiting sense
    • 过 relates to surpassing or going beyond; together with 不 forms a contrastive conjunction
    Example

    这道菜很好吃，不过有点儿贵。

    zhè dào cài hěn hǎo chī bú guò yǒu diǎnr guì

    This dish is delicious, however it's a bit expensive.

  • 8 超过 chāo guò — to exceed HSK 4
    • 超 surpass, go beyond
    • 过 pass, cross over
    Example

    参加人数超过了一千人。

    cān jiā rén shù chāo guò le yī qiān rén

    The number of participants exceeded one thousand people.

  • 9 路过 lù guò — to pass by HSK 4
    • 路 road, path
    • 过 to pass, to go through
    Example

    我路过你家的时候看到你了。

    wǒ lù guò nǐ jiā de shí hou kàn dào nǐ le

    I saw you when I passed by your house.

  • 10 过程 guò chéng — process HSK 4
    • 过 to pass through, go through
    • 程 course, journey, stages
    Example

    学习是一个漫长的过程。

    xué xí shì yí gè màn cháng de guò chéng

    Learning is a long process.

  • 11 通过 tōng guò — through HSK 4
    • 通 to pass through, connect
    • 过 to pass, go through
    Example

    我通过网络学习中文。

    wǒ tōng guò wǎng luò xué xí zhōng wén

    I learn Chinese through the internet.

  • 12 错过 cuò guò — to miss HSK 4
    • 错 wrong, mistaken, to err
    • 过 to pass, to go by
    Example

    不要错过这个好机会。

    bú yào cuò guò zhè ge hǎo jī huì

    Don't miss this good opportunity.

  • 13 过于 guò yú — too, excessively HSK 5
    • 过 to exceed, to go beyond
    • 于 grammatical particle completing the adverbial phrase
    Example

    你过于担心了。

    nǐ guò yú dān xīn le

    You're worrying too much.

  • 14 过分 guò fèn — excessive HSK 5
    • 过 to exceed, to go beyond
    • 分 limit, proper boundary
    Example

    你的要求太过分了。

    nǐ de yāo qiú tài guò fèn le

    Your demands are too excessive.

  • 15 过度 guò dù — excessive HSK 5
    • 过 to exceed, to surpass
    • 度 degree, measure, limit
    Example

    过度工作会损害健康。

    guò dù gōng zuò huì sǔn hài jiàn kāng

    Excessive work will harm your health.

  • 16 过敏 guò mǐn — be allergic to HSK 5
    • 过 excessive, over-
    • 敏 sensitive
    Example

    我对花粉过敏。

    wǒ duì huā fěn guò mǐn

    I'm allergic to pollen.

  • 17 过期 guò qī — expire HSK 5
    • 过 to pass, to exceed
    • 期 period, deadline
    Example

    这些食品已经过期了。

    zhè xiē shí pǐn yǐ jīng guò qī le

    These food products have already expired.

  • 18 穿过 chuān guò — pass through HSK 6
    • 穿 to penetrate, pass through
    • 过 to cross over, pass
    Example

    我们穿过森林到达了湖边。

    wǒ men chuān guò sēn lín dào dá le hú biān

    We passed through the forest and reached the lakeside.

  • 19 过后 guò hòu — afterwards HSK 6
    • 过 to pass through (time/event)
    • 后 after, later
    Example

    他吃完饭过后就去散步了。

    tā chī wán fàn guò hòu jiù qù sàn bù le

    After he finished eating, he went for a walk.

  • 20 过时 guò shí — outdated HSK 6
    • 过 to pass, to exceed
    • 时 time, period
    Example

    这种技术已经过时了。

    zhè zhǒng jì shù yǐ jīng guò shí le

    This technology is already outdated.

  • 21 过渡 guò dù — transition HSK 6
    • 过 to pass through, to go over
    • 渡 to cross over, to ferry across
    Example

    公司正在经历从传统到现代的过渡。

    gōng sī zhèng zài jīng lì cóng chuán tǒng dào xiàn dài de guò dù

    The company is experiencing a transition from traditional to modern.

  • 22 透过 tòu guò — through HSK 6
    • 透 penetrate, pass through
    • 过 pass, cross over
    Example

    阳光透过树叶照进房间。

    yáng guāng tòu guò shù yè zhào jìn fáng jiān

    Sunlight shines into the room through the leaves.

  • 23 放过 fàng guò — to let off; to spare; to let go HSK 7
    • 放 to release; to let go
    • 过 to pass; (complement indicating letting something pass)
    Example

    请你放过他吧，他还是个孩子。

    qǐng nǐ fàng guò tā ba tā hái shì gè hái zi

    Please let him off, he's still just a child.

  • 24 走过场 zǒu guò chǎng — go through the motions HSK 7
    • 走 go, walk; indicates the action of going through
    • 过 pass through, cross; indicates passing or crossing
    • 场 stage, scene; refers to the formality or procedure being gone through
    Example

    这次检查只是走过场，不用太紧张。

    zhè cì jiǎn chá zhǐ shì zǒu guò chǎng bù yòng tài jǐn zhāng

    This inspection is just going through the motions, no need to be too nervous.

  • 25 越过 yuè guò — to cross over HSK 7
    • 越 to go beyond, to surpass
    • 过 to pass, to cross to the other side
    Example

    我们需要越过这座山。

    wǒ men xū yào yuè guò zhè zuò shān

    We need to cross over this mountain.

  • 26 过不去 guò bu qù — cannot get through; cannot pass; cannot get over HSK 7
    • 过 to pass; to cross; to go through
    • 不 not; cannot (negation marker)
    • 去 to go (directional complement indicating movement away)
    Example

    这条路太窄了，车过不去。

    zhè tiáo lù tài zhǎi le chē guò bu qù

    This road is too narrow, cars cannot get through.

  • 27 过关 guò guān — pass a test/checkpoint HSK 7
    • 过 to pass, to go through
    • 关 checkpoint, barrier, pass
    Example

    他终于过关了。

    tā zhōng yú guò guān le

    He finally passed.

  • 28 过剩 guò shèng — to be excessive HSK 7
    • 过 to exceed, to surpass
    • 剩 remaining, surplus
    Example

    市场上的商品过剩，导致价格下降。

    shì chǎng shàng de shāng pǐn guò shèng dǎo zhì jià gé xià jiàng

    The goods in the market are excessive, leading to a price decline.

  • 29 过半 guò bàn — more than half HSK 7
    • 过 to exceed, to surpass
    • 半 half
    Example

    参加会议的人数已经过半。

    cān jiā huì yì de rén shù yǐ jīng guò bàn

    The number of people attending the meeting has already exceeded half.

  • 30 过境 guò jìng — to transit HSK 7
    • 过 to pass, to cross
    • 境 border, boundary, territory
    Example

    我们只是过境，不会停留很久。

    wǒ men zhǐ shì guò jìng bù huì tíng liú hěn jiǔ

    We are just transiting, we won't stay long.

  • 31 过失 guò shī — fault; mistake; negligence HSK 7
    • 过 transgression; fault; going beyond proper limits
    • 失 error; mistake; loss of proper action
    Example

    这次事故是由于司机的过失造成的。

    zhè cì shì gù shì yóu yú sī jī de guò shī zào chéng de

    This accident was caused by the driver's negligence.

  • 32 过头 guò tóu — excessive HSK 7
    • 过 to exceed, to go beyond
    • 头 limit, extreme point
    Example

    你开玩笑开得过头了。

    nǐ kāi wán xiào kāi de guò tóu le

    You've taken the joke too far.

  • 33 过奖 guò jiǎng — you flatter me HSK 7
    • 过 excessive, too much
    • 奖 praise, commendation
    Example

    过奖了，还有很多需要改进的地方。

    guò jiǎng le hái yǒu hěn duō xū yào gǎi jìn de dì fang

    You flatter me, there's still much that needs improvement.

  • 34 过往 guò wǎng — to pass by HSK 7
    • 过 to pass; indicates what has passed by
    • 往 to go; indicates former times or past direction
    Example

    这里每天有很多车辆过往。

    zhè lǐ měi tiān yǒu hěn duō chē liàng guò wǎng

    Many vehicles pass by here every day.

  • 35 过意不去 guò yì bú qù — feel apologetic HSK 7
    • 过 pass through (one's mind/conscience)
    • 意 feelings, conscience
    • 不 not
    • 去 go away, be dismissed
    Example

    你帮了我这么多忙，我真是过意不去。

    nǐ bāng le wǒ zhè me duō máng wǒ zhēn shì guò yì bú qù

    You've helped me so much, I really feel apologetic.

  • 36 过瘾 guò yǐn — satisfying HSK 7
    • 过 to go through, to exceed (implies fully experiencing or going beyond)
    • 瘾 craving, addiction (refers to the desire being satisfied)
    Example

    这场比赛真过瘾！

    zhè chǎng bǐ sài zhēn guò yǐn

    This game is really satisfying!

  • 37 过硬 guò yìng — excellent HSK 7
    • 过 exceeding, surpassing (a standard)
    • 硬 hard, solid, firm (implying strength and reliability)
    Example

    她的业务能力过硬，很快就得到了升职。

    tā de yè wù néng lì guò yìng hěn kuài jiù dé dào le shēng zhí

    Her professional skills are excellent, so she quickly got promoted.

  • 38 过道 guò dào — aisle, corridor, passageway HSK 7
    • 过 to pass through, to cross
    • 道 road, path, way
    Example

    她坐在过道旁边的座位上。

    tā zuò zài guò dào páng biān de zuò wèi shàng

    She sits in the seat next to the aisle.

  • 39 过量 guò liàng — to exceed the limit, to be excessive HSK 7
    • 过 to exceed, to go beyond
    • 量 quantity, amount, measure
    Example

    喝酒不要过量。

    hē jiǔ bù yào guò liàng

    Don't drink excessively.

  • 40 过错 guò cuò — fault, mistake HSK 7
    • 过 transgression, exceeding proper bounds
    • 错 wrong, error
    Example

    他承认了自己的过错。

    tā chéng rèn le zì jǐ de guò cuò

    He admitted his mistake.

  • 41 过问 guò wèn — to concern oneself with HSK 7
    • 过 to go beyond, to cross over (implies involvement or interference)
    • 问 to ask, to inquire (provides the core action of questioning)
    Example

    他从不过问我的私事。

    tā cóng bù guò wèn wǒ de sī shì

    He never concerns himself with my private affairs.

滤 lǜ — to strain, filter

Structure & writing
1 过 guò — to move from one place or party to another
Xpinyin

过 is not used as a component in any other character.

consists of

1.1 辶 chuò — walk/movement radical, indicating motion or walking
辶 is a component in 68 characters
HSK 1
边 biān border between countries or regions 还 huán to return to the original place or state 这 zhè this (person or thing nearby, as opposed to 那) 道 dào road; path; passage
HSK 2
过 guò to move from one place or party to another 运 yùn to rotate; to move in sequence 近 jìn near, close (in space or time; opposite of 远) 进 jìn to move forward (opposite of 退) 远 yuǎn far; distant (in space or time, opposite of 近)
Show more HSK 2 characters (+1)
送 sòng to deliver or bring something to someone
HSK 3
迎 yíng to welcome; to greet 迟 chí slow, sluggish 适 shì (lit.) to go; to travel to 选 xuǎn to choose; to select; to pick 遇 yù to meet, encounter, come across
Show more HSK 3 characters (+1)
遍 biàn universal, widespread
HSK 4
达 dá to go through; to reach 连 lián to connect, to link 迷 mí unable to distinguish; lost the ability to discern or judge 递 dì to deliver; to pass on 通 tōng unobstructed; able to pass through
Show more HSK 4 characters (+4)
逛 guàng to stroll; to wander; to roam around 速 sù fast; swift; rapid 邀 yāo to invite 随 suí to follow
HSK 5
迅 xùn extremely fast; swift 返 fǎn to return, to go back 违 wéi to disobey; to violate 述 shù to narrate; to state; to recount 迹 jì trace; mark left behind
Show more HSK 5 characters (+9)
追 zhuī to chase; to catch up with 退 tuì to move backward (opposite of 进) 逐 zhú to chase, to pursue 途 tú road; path 造 zào to make; to manufacture 逻 luó to patrol; to make rounds 遗 yí to omit or lose due to carelessness 遵 zūn (lit.) to follow; along 避 bì to avoid; to evade
HSK 6
迈 mài to stride; to step over 迫 pò to compel; to force 逃 táo to flee; to escape from an unfavorable situation 透 tòu (of liquid, light, etc.) to seep through; to penetrate 逗 dòu to tease; to provoke
Show more HSK 6 characters (+3)
逼 bī to coerce; to threaten 遥 yáo far; distant 遭 zāo to encounter (misfortune or adversity)
HSK 7
巡 xún to patrol; to make rounds of inspection 辽 liáo distant; far 迁 qiān to move, relocate (an office, residence, etc.) 迄 qì to reach; up to 迪 dí (lit.) to enlighten; to guide
Show more HSK 7 characters (+16)
迭 dié to alternate; to take turns 迸 bèng to spurt out; to splash outward 逆 nì to go in the opposite direction (opposite of 顺) 逊 xùn to abdicate (the throne) 逝 shì to pass; to vanish (esp. of time or flowing water) 逞 chěng show off (one's talent, power, etc.); boast 逢 féng to encounter; to meet 逮 dài (lit.) to reach; to arrive at 逸 yì comfortable and at ease; leisurely 逾 yú to exceed; to surpass 遏 è to stop; to suppress; to restrain 遛 liù to stroll, walk slowly and leisurely 遣 qiǎn to dispatch; to send 遮 zhē to block from view; to obscure 邃 suì deep and distant (of time or space) 隧 suì tunnel; underground or mountain passage
1.2 寸 cùn — cun, a unit of length (1/10 of a 尺, approx. 1/30 meter)
寸 is a component in 25 characters
HSK 1
对 duì to answer; to reply 得 dé to get; to obtain (opposite of 失) 时 shí time; a relatively long period of time during which matter continuously changes or develops
HSK 2
过 guò to move from one place or party to another
HSK 3
封 fēng to confer a title, rank, or fief upon a vassal (in ancient times) 衬 chèn to line with a layer underneath or inside
HSK 4
付 fù to submit; to hand over 厨 chú kitchen 导 dǎo to guide; to channel 将 jiāng will; about to 尊 zūn of high status or seniority
Show more HSK 4 characters (+3)
村 cūn village; small residential settlement 耐 nài to endure; to withstand; to bear 讨 tǎo to launch a punitive expedition; to attack with troops
HSK 5
冠 guàn (lit.) to put on a hat (in ancient times, a capping ceremony at age 20 marked adulthood) 守 shǒu to defend, guard (opposite of 攻) 寻 xún ancient unit of length equal to eight chi (also said to be seven or six chi)
HSK 6
夺 duó to seize by force; to snatch 寿 shòu long-lived; advanced in age 射 shè to shoot or launch (an arrow, bullet, ball, etc.) 碍 ài to hinder, obstruct
HSK 7
嚼 jiáo to chew; to masticate 寺 sì ancient government office 祭 jì to pay tribute to the deceased 辱 rǔ shame; disgrace (opposite of 荣)

Stroke order

2 滤 lǜ — to filter; to strain (liquid or gas through gauze, charcoal, sand, etc. to remove impurities)

滤 is not used as a component in any other character.

consists of

2.1 氵 shuǐ — water radical (three drops)
氵 is a component in 170 characters
HSK 1
汉 hàn Han River (汉江), originating in southern Shaanxi, flowing into the Yangtze at Wuhan, Hubei 没 méi to not have; to lack 漂 piāo to float and drift on the surface of a liquid
HSK 2
泳 yǒng to swim, move through water 洗 xǐ to wash; to clean with water, gasoline, kerosene, etc. 游 yóu unfixed; constantly moving 酒 jiǔ alcoholic beverage made by fermenting grains or fruit
HSK 3
汽 qì gas or vapor formed by heating a liquid or certain solids 沙 shā sand; tiny stone particles 河 hé river (natural or artificial waterway) 法 fǎ law; the body of rules enacted or recognized by the state and enforced by state power, including statutes, decrees, regulations, orders, and decisions 注 zhù to pour into; to fill with liquid
Show more HSK 3 characters (+8)
活 huó to live; to be alive (opposite of '死') 海 hǎi sea; ocean area near land (also used for large lakes, e.g. 青海, 里海) 清 qīng pure and clear, free of impurities (opposite of '浊'); ① purely, solely; ② quiet 渴 kě to be thirsty 满 mǎn full; filled to capacity 演 yǎn to evolve; to change gradually 澡 zǎo to bathe, wash the whole body 激 jī to strike with water; to stir up emotions
HSK 4
染 rǎn to dye (an object with dye) 汁 zhī juice; liquid containing certain substances 汗 hàn sweat; perspiration secreted by the skin 江 jiāng a large river 污 wū murky water; filth; dirt
Show more HSK 4 characters (+13)
汤 tāng hot water; boiling water 油 yóu oil (liquid fat from animals or plants, or liquid hydrocarbon mixture from minerals) 泼 pō to splash or spill liquid forcefully 洋 yáng ocean (the vast body of salt water covering about 70% of Earth's surface, divided into four parts: the Pacific, Atlantic, Indian, and Arctic Oceans) 洲 zhōu continent (one of the seven major landmasses of the earth) 流 liú to flow (of liquid) 济 jì cross a river; ford 浪 làng wave; billow on rivers, lakes, or seas 消 xiāo to gradually diminish until gone; to vanish 深 shēn deep (opposite of shallow) 温 wēn neither cold nor hot; lukewarm 漫 màn to overflow (water spilling over) 落 luò to fall; to drop down
HSK 5
汇 huì （of rivers）to converge 池 chí pond, esp. an artificially dug one 沉 chén to sink (in water, opposite of 'float') 沟 gōu artificially dug waterway or trench 治 zhì to govern; to manage; to administer
Show more HSK 5 characters (+23)
沿 yán along (a river, road, or edge of something) 泛 fàn to float; to drift 泪 lèi tears; colorless liquid secreted by the lacrimal glands of the eye 洒 sǎ to sprinkle or scatter water or other things on the ground 洞 dòng cave; hole; hollow or deep recess in an object 浅 qiǎn shallow (opposite of 'deep') 浇 jiāo to pour liquid onto something 测 cè to measure; to gauge using instruments or standards 浏 liú (lit.) clear and limpid (of water) 浓 nóng (of liquid or gas) thick; dense (opposite of 淡) 润 rùn to moisten; to add oil or water to prevent dryness 涨 zhǎng to rise (of water level) 淡 dàn dilute; thin (of liquid or gas, opposite of 浓) 渐 jiàn gradually; little by little 湖 hú lake (large body of water surrounded by land) 湿 shī wet; damp; moist (opposite of 干) 源 yuán source of water, where a stream originates (opposite of 流) 滑 huá smooth; slippery (low friction) 滚 gǔn to roll; to tumble 漏 lòu to drip, seep, or fall through a hole or crack 漠 mò desert; arid sandy region 范 fàn (lit.) mold; model 薄 bó slight, little
HSK 6
梁 liáng beam; horizontal load-bearing timber or structural member 汰 tài to eliminate; to weed out the useless 沃 wò (of land) fertile, rich 泡 pào bubble (spherical or hemispherical body formed by gas in liquid) 泥 ní mud; mixture of soil and water
Show more HSK 6 characters (+20)
洁 jié clean; pure; free of impurities 洪 hóng large; great 浮 fú to float on the surface of a liquid (opposite of '沉') 浴 yù to bathe; to take a bath 涉 shè to wade across water; to cross over water 涌 yǒng to gush; (of water) to bubble up; (of clouds) to rise 液 yè liquid; a fluid substance with definite volume but no fixed shape 涵 hán to contain; to encompass 淋 lín to drip or splash onto a surface 淘 táo to rinse (granular material) in water to remove impurities 混 hùn to mix (different things) together 淹 yān to submerge; to flood 添 tiān to add; to increase 渠 qú waterway, especially an artificially dug canal or ditch 渡 dù to cross (a river or body of water) 港 gǎng harbor or port where large ships can dock 滴 dī to drip (liquid falls drop by drop) 漱 shù to rinse the mouth with water 潜 qián to submerge; to dive underwater 潮 cháo tidal phenomenon; rise and fall of seawater due to the gravitational pull of the sun and moon
HSK 7
汛 xùn seasonal rise of water in a river; flood season 汪 wāng (lit.) deep and vast (of water) 汲 jí to draw water (from a well) 汹 xiōng surging water churning upward 沏 qī to brew; to steep (with boiling water)
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沐 mù to wash one's hair; to bathe, wash 沛 pèi (lit.) abundant; copious; vigorous 沧 cāng dark green (of water) 沫 mò foam; froth (tiny bubbles formed by a liquid) 沮 jǔ to stop; to obstruct 沸 fèi to boil (of a liquid heated to the point of rapid vaporization) 沼 zhǎo natural pond; marsh 沾 zhān to soak; to moisten 泄 xiè (of liquid or gas) to discharge, to leak out 泊 bó to moor a boat; to dock 泌 mì to secrete (a substance from a living organism) 泞 nìng (lit.) accumulated mud; mire 波 bō waves on the surface of water (rivers, lakes, seas, etc.) 泣 qì to weep silently or softly 泻 xiè to flow down rapidly (of liquid) 津 jīn ford; river crossing 洽 qià harmonious; in accord 浊 zhuó (of water, air, etc.) murky, impure, turbid — opposite of 清 浑 hún murky; turbid (of water) 浩 hào vast, grand, magnificent 浸 jìn to soak in liquid; to steep 涂 tú to apply (paint, ointment, etc.) by spreading or brushing onto a surface 涕 tì tears 涛 tāo large waves 涝 lào waterlogged (of crops flooded by excessive rain, opposite of 旱) 涡 wō whirlpool; eddy formed by rotating water 涤 dí to wash 涩 sè rough; not smooth (high friction) 涮 shuàn to swish in water to rinse lightly 涯 yá water's edge; shore; boundary 淀 diàn shallow lake (used in place names) 淆 xiáo confused, mixed up, disordered 淌 tǎng （of liquid）to flow down, to trickle 淤 yū to silt up; to become clogged with sediment 淳 chún a surname 渔 yú to fish; to catch fish 渗 shèn to seep; to permeate slowly 渣 zhā residue left after extracting the essence or juice 渺 miǎo vast and boundless (of water) 湃 pài used in '澎湃': ① waves crashing loudly against each other; ② (fig.) surging emotions; ③ (fig.) grand and imposing momentum 湛 zhàn deep 湾 wān a bend or curve in a river 溃 kuì breach (of a dike by floodwater) 溅 jiàn (of liquid) to splash, to spatter 溉 gài (lit.) to irrigate; to water 溜 liū to glide; to slide (downward) 溢 yì to overflow; to brim over 溪 xī small stream or brook 溯 sù to go against the current 溶 róng to dissolve (a substance uniformly distributed in another to form a solution) 溺 nì to drown; to be submerged in water 滋 zī to grow, to sprout 滔 tāo floodwaters overflowing 滞 zhì to stagnate, accumulate, not flow freely 滤 lǜ to filter; to strain (liquid or gas through gauze, charcoal, sand, etc. to remove impurities) 滥 làn to overflow; to flood 滨 bīn waterside; place near water 滩 tān beach; shoal; sandbank (flat land formed by silt along rivers, lakes, or seas) 漆 qī general term for viscous coating materials (paint/lacquer) 漾 yàng ripple on the water surface 潇 xiāo (lit.) clear and deep (of water) 潦 liáo see "潦草": ① (handwriting) untidy; ② (work) careless, sloppy 潭 tán deep pool; deep pit; by extension: deep 澄 chéng clear and transparent (of water) 澈 chè clear and transparent (of water) 澎 péng used in "澎湖" (Penghu Islands, in the southeastern Taiwan Strait) 澜 lán large waves; billows 濒 bīn to border on (a body of water) 瀑 pù waterfall 瀚 hàn (lit.) vast; boundless 灌 guàn to irrigate; to water 茫 máng vast and boundless, indistinct 萍 píng duckweed; aquatic herb floating on water surface with flat oval leaves and hanging roots 衍 yǎn (lit.) to develop and elaborate; to extend and unfold
2.2 虑 lǜ — to think over; to ponder
虑 is a component in 1 characters
HSK 7
滤 lǜ to filter; to strain (liquid or gas through gauze, charcoal, sand, etc. to remove impurities)

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