胡作非为 húzuòfēiwéi to run amok Origin Definitions Defs Strokes Stroke Words Sentences Sents 胡 hú verbnoun recklessly recklessly; randomly; without foundation作 zuò verb to do to do; to make; to engage in an activity; often interchangeable with 做 zuò in set phrases非 fēi wrong mistake; error; a wrong or evil deed; incorrect as opposed to 是 shì为 為 wéi verb to do to do; to make; to act; to govern; to manage