胡作非为 (hú zuò fēi wéi) | Meaning: to run amok (idiom); to commit outrages | Chinese Idiom with Pinyin & Origin

to break the law and commit crimes (idiom); malefactor · evildoer · to perpetrate outrages为非作歹wéi fēi zuò dǎi

to act recklessly肆行sì xíng

wanton · unbridled · presumptuous · impudent放肆fàng sì

(idiom) to do whatever one pleases为所欲为wéi suǒ yù wéi

(idiom) defiant of the law and lacking any sense of morality; lawless; out of control; unruly无法无天wú fǎ wú tiān

a hast of demons dancing in riotous revelry · rogues of all kinds running wild群魔乱舞qún mó luàn wǔ

to run amok (idiom); to commit outrages