Let's go! 我们走吧!So long. 再见。Good job! 干得好!以上三句用法没什么特别讲究的,中文怎么说英文就怎么用。Forget it! 算了!当我没说!例:Do you know how to solve this problem? ..., forget it, I think I just got it.你会解这道题吗?……算了,我想我刚刚算出来了。Forget it 也有“别想它了,忘了它吧”的意思。例:Letters? Forget it! This is the age of Email!书信?忘了它吧!这是Email的时代!Watch out! 小心!例:Watch out, there's a car behind you!小心,你身后有车!Keep it up! 再接再励!不要松懈!例:You are doing a good job in this class, keep it up!你在这门课上表现得很好,再接再励!What's new? 最近怎么了?有什么新鲜事?(见面打招呼时用语)He is my age. 他跟我一样大。You set me up! 你陷害了我!例:You set me up! You hid the marijuana in my room didn't you?你陷害了我!是你把大麻藏在我的屋子里的吧?set A up with B 也有“试图把A和B送作堆”的意思,例:Why did you try to set me up with Helen? I don't like her at all!你为什么想把我和Helen送作堆呢?我根本不喜欢她!所以如果你朋友请你吃饭,然后你发现这是变相相亲,也可以说:You set me up! (后面 with ... 在语境明确的时候可以省略)I just made it! 我成功了!我做到了!例:I just made it to level 4!我刚刚成功打到第4关了!