三七二十一 sānqī'èrshíyī facts Origin Definitions Defs Strokes Stroke Words Sentences Sents 不管三七二十一 bùguǎnsānqī'èrshíyī blindly acting recklessly or impulsively based on a simplistic or hopelessly optimistic assumption管他三七二十一 guǎntāsānqī'èrshíyī regardless acting impulsively or without considering the consequences; no matter what