lose one’s shirt

失去了所有的一切

例句：Did you hear what happened to Joe? He’s lost his shirt, the poor guy -- invested all his money in a fancy restaurant and it just went out of business.

你有没有听到关于乔的事?这回，他可真是丢掉了一切，真可怜。他把所有的钱都投资在一家豪华的餐馆里。而这家餐馆不久前倒闭了。

a stuffed shirt

指那些爱摆架子，表现得神气十足的人

例句：My boss is a stuffed shirt: all he talks about is how important his ancestors are, how he was number one in his class at his university, and the wonderful things he thinks he’s done for our company.

我的老板老是爱摆架子，吹嘘自己。他一开口就是说他的祖先的地位有多么重要，他在大学念书时又如何成为他们班里的第一名，还自称对我们公司作出了多大的贡献等等。

give you the shirt off his back

尽力帮助人

例句：Of course Dad gets mad at me sometimes for no good reason. But if I ever need it, I know he would give me the shirt off his back.

我父亲有时对我发火也不见得有什么道理。但是,只要我需要，他总是会尽一切力量帮助我的。

up in arms

进行武装斗争，或者非常愤怒，准备打架

例句：All us students are up in arms at the news the school is raising our tuition ten percent.

当我们学生听到学校要提高百分之十的学费时，我们都火冒三丈。

at arm’s length

和某人保持一定距离

例句：I keep trying to get friendly with that lovely blonde who sits next to me in biology class. But she keeps me at arm’s length.

我一直设法和那个生物课坐在我旁边的金发姑娘接近。可是,她老是和我保持一定距离。