办公室里那个总爱开玩笑的家伙把大家都逗乐了。

That ___joker in the office always makes everyone laugh with his funny pranks.

如果你手里有王牌，可以当作任何一张牌使用。

If you have a ___joker in your hand, you can use it as any card.

别相信那个蠢货的主意，他只会把事情搞砸。

Don't follow that ___joker's advice; he'll only mess things up.