If he didn't find that funny, then he can't take a joke.

如果他不觉得这很有趣，那么他就不能开玩笑。

Your problem is you just can’t take a joke.

【joke】你的问题在于你开不起玩笑。

I mean, you're implying that we can't take a joke.

我是说，你在暗示我们 不能被人开玩笑。

I'm not going to be a wallflower just because you can't take a joke.

罗杰：我不会因为你开不起玩笑就当壁花。

Charlene goes on to say that if he didn't find that funny, then he can't take a joke.

Charlene 继续说， 如果他不觉得这很有趣，那么他就不能开玩笑。