表达 “off the wall” 的意思是一件事物 “有点奇怪、不同寻常，甚至意想不到”，可以用来评价影视、戏剧作品或笑话等 “离奇，荒诞”。用在名词前时，需要在这个表达的词语中间加上连字符，即 “off-the-wall（离奇的，怪诞的）”。 

例句

I like the comedian, but his jokes are a bit off the wall.

我喜欢那个喜剧演员，不过他讲的笑话有点怪怪的。

That film was so strange – I couldn't understand it. It was so off the wall.

这部电影太奇怪了，我看不懂。真的很诡异。

The song is really funny. I know it's not to everyone's taste, but I like off-the-wall things!

那首歌很有意思。我知道它不一定符合每个人的口味，但我就是喜欢怪诞的事物。