无事生非 wúshìshēngfēi to make trouble out of nothing Origin Definitions Defs Strokes Stroke Words Sentences Sents 无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less事 shì noun matter matter; affair; thing; event生 shēng verb to give rise to to give rise to; to happen; to cause; to generate非 fēi wrong mistake; error; a wrong or evil deed; incorrect as opposed to 是 shì