【俚语】

Be up the wall
处境困难；很沮丧/焦虑

【例句】

We were all up the wall until the matter was resolved.
事情解决之前，我们都很焦虑。

Drive sb. up the wall
让某人发怒

【例句】

My roommate was singing at midnight and it was driving me up the wall.
我的室友半夜里唱歌，逼得我都发怒了。

Be off the wall
奇怪的，不同寻常的

【例句】

Your ideas are generally off the wall, but this one makes sense.
你的想法一般都比较奇怪，但这个还是有点道理。

Walls have ears 隔墙有耳

【例句】

Don't say anything about our business dealings in here. Walls have ears.
不要在这聊我们的生意，隔墙有耳。

A hole in the wall
小餐馆；小商店

【例句】

It's just a hole in the wall but the food is good.
虽说只是个小餐馆，但吃的东西还不错。