Component 曹 cáo class, generation, group of people Stroke order ▶ 曹 used in 4 characters HSK 5 糟 zāo dregs left over from brewing wine HSK 6 遭 zāo to encounter (misfortune or adversity) HSK 7 嘈 cáo noisy; clamorous 槽 cáo trough (rectangular container with raised sides and a sunken middle, used for feed, water, or wine; especially a feed trough for livestock)