【俚語】

Be up the wall
處境困難；很沮喪/焦慮

【例句】

We were all up the wall until the matter was resolved.
事情解決之前，我們都很焦慮。

Drive sb. up the wall
讓某人發怒

【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，逼得我都發怒了。

Be off the wall
奇怪的，不同尋常的

【例句】

Your ideas are generally off the wall, but this one makes sense.
你的想法一般都比較奇怪，但這個還是有點道理。

Walls have ears 隔墻有耳

【例句】

Don't say anything about our business dealings in here. Walls have ears.
不要在這聊我們的生意，隔墻有耳。

A hole in the wall
小餐館；小商店

【例句】

It's just a hole in the wall but the food is good.
雖說只是個小餐館，但吃的東西還不錯。