蹲苦窑 Traditional 蹲苦窯 dūn kǔ yáo 🔊 to be behind bars + Keep this word Meanings dūn kǔ yáo 蹲苦窯 (slang) to be behind bars Its characters 蹲dūnto crouchHSK 6苦kǔbitterHSK 4窑yáokilnHSK 7–9