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.
他不想在朋友面前丟臉，所以拒絕承認自己錯了。
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.
她害怕因為承認自己不知道答案而丟臉。
translation
丟臉