蹲大牢 Traditional form: 蹲大牢 Pinyin (reading): dūndàláo Definitions: to be behind bars Characters: 蹲 - to squat, to crouch 大 - big, great, vast, high, deep 牢 - pen, prison, stable; fast, firm, secure Traditional characters: 蹲 - to squat, to crouch 大 - big, great, vast, high, deep 牢 - pen, prison, stable; fast, firm, secure