开某人的玩笑的英文：
play a joke on sb.

参考例句：

play a joke on or subject to a hoax.
开某人的玩笑或使遭受欺骗。

Make fun of sb,esp by making him believe sth that is untrue;tease sb
开某人的玩笑(尤指使其信以为真);耍弄某人.)

play是什么意思：
v. 装扮；戏弄；参加；同…比赛；玩；打出；发挥作用；演奏；播放；扮演
n. 戏剧，剧本；比赛；玩耍，游戏

represent a play
再上演某剧

play around with
在一起厮混|玩弄|戏弄

Play havoc with
搅乱,破坏

He played a small part in the play.
他在这出戏里演一个小角色。

If you are playing cards, you are playing a game using cards.
纸牌游戏就是用纸牌来玩的一种游戏。

joke是什么意思：
n. 玩笑，戏谑；笑柄，笑料；轻松的事
v. 开玩笑；开...的玩笑，戏弄

But it is no joking matter.
但这可不是开玩笑的事儿。

It was a joke, of course, but surely a rum sort of joke?
这当然是个玩笑，但是这个玩笑也太奇怪了吧？

play a joke on or subject to a hoax.
开某人的玩笑或使遭受欺骗。

I was the butt of their jokes.
我是他们的笑柄。

They groaned at his dirty joke.
他们对他下流的笑话发出不满之声。