act recklessly as one likes; carry one's imprudent act to the extreme limit; to act on impulse
? 我們的法律絕不允許你～，無法無天。Our laws will never allow you to act recklessly as you like and run wild.
逞性妄為chěnɡ xìnɡ wànɡ wéi
逞：放任；妄：胡亂。由著性子胡來。也指任意做壞事。act on impulse, indulge, act recklessly as one likes