idiom
C2
to do something that makes people respect you less
He didn't want to lose face in front of his friends, so he refused to admit he was wrong.
他不想在朋友面前丢脸，所以拒绝承认自己错了。
C2
to become less respected by others because of something you did
She was afraid to lose face by admitting she didn't know the answer.
她害怕因为承认自己不知道答案而丢脸。
translation
丢脸