苦窑 Traditional 苦窯 kǔ yáo 🔊 prison + Review this word Meanings kǔ yáo 苦窯 (slang) prison Its characters 苦kǔbitterHSK 4窑yáokilnHSK 7–9 Words with 苦窑 蹲苦窑 dūn kǔ yáo to be behind bars