lose face
丢脸
A：The last thing I want to see is to lose face before my friends.
A:我最不想见到自己在朋友面前丢脸。
B:That's really unbearable!
B：那真是令人难堪啊!
A:But you know, things can't always go as you expect.
A:但你也应该知道，事情并不总是如人愿的。
B:So get prepared for everything.
B：所以对任何事都要有思想准备。