知人知面不知心的英文

“知人知面不知心”对应的英文单词有：

s exterior but not his heart.；One may know a person for a long time without understanding his true nature.；It is impossible to judge a man'；We may know a man'；s heart from his face.；You know a man or you recognize him when you see him, but you don'；t know what he is at heart.