不知死活 bùzhīsǐhuó to act recklessly Definitions Defs Origin Strokes Stroke Words Sentences Sents bùzhīsǐhuó to act recklessly 不知 bùzhī verb not to know to not know; to be unaware of or have no idea about死活 sǐhuó adverb anyway anyway; no matter what; simply; used to emphasize that something is done or refused stubbornly at all costs, often used in the negativebùzhīsǐhuó not knowing if one is dead or alive 不知 bùzhī verb not to know to not know; to be unaware of or have no idea about死活 sǐhuó noun life or death life or death; fate; survival