have an honest appearance but be actually full of cunning and deceit
Related Translations:
面善: 1.(面熟) look familiar 短语和例子这个人面善得很。 this person looks quite familiar to me.2.(面容和蔼) look kind
面善心狠: be innocent in appearance but a very wolf at heart
面善不熟: someone's face looked familiar but one is not acquainted with him [her]
面善心恶: bear the semblance of an angel but have the heart of a devil; a kind face but a wicked heart; look kind in face but very wicked in heart; a wolf in sheep's clothing
这个人面善得很: this person looks quite familiar to me. look kind