1.Don t lie to me.别骗我。 Dont lie to me./Dont tell me lies.
2.Stop joking!别开玩笑! Stop joking!/Quit your kidding. kidding戏弄，耍弄，开玩笑。quit别，不要，和stop的意思相同，但是quit一般含有有意识地放弃工作、改变习惯的意思。
Cut it out. cut it out或cut that out都是放弃，停止的意思。
Knock it off. Knock it off表示住手!住嘴!等意，是个常用短语。你开玩笑也该适可而止! Ive had enough of your nonsense. nonsense没有意义的话，戏言，荒唐的想法。这句直译是我已经听够了你那些无聊话了。
短对话 A:Ha, ha, ha...... Shes so stupid!哈哈，她这么傻! B:Stop joking!别开玩笑!
3.Stop putting us on.别捉弄人。 Stop putting us on. put...... on骗人，欺骗 Stop joking with us. joke with......开玩笑，说俏皮话，戏弄人 Stop fooling us. fool嘲弄、开玩笑 Stop pulling our legs. pull ones leg开玩笑似地捉弄人，捉弄
短对话 A:Stop putting us on.别捉弄人。 B:Im not!谁捉弄你了。
4.Don t act stupid.别干傻事! Dont act stupid./Dont act silly./Dont act dumb./Dont be silly! Dont be ridiculous!/Dont talk silly./Dont say stupid things. Dont be foolish! 俚语的表达方式。有时听起来让人感到有些不礼貌。