蹲苦窑 Traditional form: 蹲苦窯 Pinyin (reading): dūnkǔyáo Definitions: (slang) to be behind bars Characters: 蹲 - to squat, to crouch 苦 - bitter; hardship, suffering 窑 - kiln, oven; pit, coal mine Traditional characters: 蹲 - to squat, to crouch 苦 - bitter; hardship, suffering 窯 - kiln, oven; pit, coal mine