Or maybe if someone's trying to play a joke, they might say this.

或者如果有人想开个玩笑， 他们可能会这样说。

Looking at this, the chemist thought to play a joke on them.

看到这里，药剂师想同他们开个玩笑。

They liked to crack a joke, to play a joke on each other.

他们喜欢说笑话来开对方的玩笑。

I went to the printing shop and told him I wanted to play a joke on a fellow, but he didn't have anything.

我去了印刷厂，告诉他我想和一个家伙开个玩笑，但他什么也没有。

But the expression " to kid yourself" means, in a way, to play a joke on yourself, to make yourself believe something that isn't true.

但是“to kid yourself” 这个表达在某种程度上意味着对自己开玩笑，让自己相信一些不真实的事情。

One night, the gaoler decided to play a joke on his colleague to find out if, after to many performances he had managed to learn the contents of the letter by heart.

一天晚上，狱卒决定跟他的同事开个玩笑，看看他反复演出这么场后，究竟是否把信的内容记熟了。

One night, the gaoler decided to play a joke on his colleague to find out if, after so many performances, he had managed to learn the contents of the letter by heart.

一天晚上，狱卒决定与他的同事开一个玩笑，看看他反复演出这么多场之后，是否已将信的内容记熟了。

Mr Potts was not popular with his colleagues mainly because he regarded them as his inferiors, so his colleagues decided to play a joke on him that might make him feel more humble.

波茨先生不受同事欢迎，主要是因为他认为他们不如他，所以他的同事们决定和他开个玩笑，让他觉得自己更谦虚。