为非作歹 wéi fēi zuò dǎi

DEFINITIONS

  1. to break the law and commit crimes (idiom); malefactor
  2. evildoer
  3. to perpetrate outrages

CHARACTERS

为 wéi do, handle, govern, act; be
非 fēi not, negative, non-; oppose
作 zuò make; work; compose, write; act, perform
歹 dǎi bad, vicious, depraved, wicked