是可数的
play a joke on sb

关于小丑的叫法，大家是喜欢clown呢还是joke

Joker,又称作 jester, fool, 中文可以翻译成弄臣， 在西方古代宫廷专门以插科打诨来为帝王消烦解闷的人物。
Clown,中文可译作小丑。Clown多用于指称在马戏团中表演的喜剧角色。他们也通常穿有特别的服装，化着夸张的装束。
Joker拿别人开玩笑，Clown拿自己开玩笑,因此clown较为大家喜欢
亲,采纳哟,谢谢

在线求个英语joke

a man came to see the doctor,his ears were badly hurt,the doctor said:what's wronge with you?
the man said i was drunk yesterday,my wife leave an iron on the table,the telephone rang, i went to get the phone but i was drunk so i made a mistake,i take the iron as the telephone and put it on my left ear,so it's badly hurt.
the doctor said :well what's wronge about your right ear?
the man said angrily : damn ! the telephone rang twice
有个人去看医生，他的两个耳朵都烫伤的很厉害，医生问他：怎么会这样
那个人说：我昨天喝醉了，我老婆把熨斗放在桌子上，电话响了，我去接电话，但我晕晕乎乎的把熨斗当成了电话放在我左耳朵上，把它烫的够呛
医生说：那你右耳朵是怎么回事？
那个人说：妈的，电话响了两次