L-18：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。