Read Edit View history 不知死活 bùzhīsǐhuó reckless Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 不知死活 · bùzhīsǐhuó · reckless 2026/03/04 不知死活 bùzhīsǐhuó reckless to act recklessly; to have no sense of danger (idiom) 他真是不知死活，竟然敢一个人去挑衅那群地痞。 idiom created sense Mar 4, 2026, 02:25 AM