1.take a rain check 改天吧

　　I’m up to my ears in work, so I’ll have to take a raincheck。(我工作很忙，改天吧。)

　　2. lost count 弄不清楚

　　I have lost count, but I can do it with my eyesclosed。(搞不清楚了，但我闭着眼也能摸过去。)

　　3. be in another world 精神恍惚;魂不守舍

　　Yeah, I know. Ever since he met Ann, he’s been in anotherworld。(我同意。自从他遇见Ann, 他就魂不守舍了。)

　　4. make yourself at home 随意，随便

　　Of course not, make yourself at home。(当然不介意，随意一点!)

　　5. save your breath 省口气吧;别白费口舌了

　　Save your breath. He"s out of earshot。(省口气吧。他已经听不到了。)

　　6. make sense 有意义，理解

　　It makes more sense the second time。(再看一遍就理解了。)

　　7. cost sb. an arm and a leg 非常昂贵

　　I sure did. It must have cost him an arm and aleg。(当然了。那一定很昂贵。)

　　8.burn a hole in one’s pocket 很快地被花光

　　You know money seems to be burning a hole in my pocket lately 。

　　9.fill one’s shoes 很好地顶替;令人满意地替代

　　The faculty won’t find anyone to fill her shoes。(是的。学校将很难找到合适的人来代替她。)

　　10.is ice cold 表示理所当然

　　11.like apples and oranges 用来表示无法相比的事物

　　They are like apples and oranges. (它俩没法比较。)

　　12.look for a needle in a hay stack 大海捞针

　　That’s like looking for a needle in a hay stack . (那可真是大海捞针。)

　　13.lose one’s train of 忘记

　　When you interrupted me, you made me lose my train of thought。(你打断了我的思考，我忘记我在想什么了。)

　　14.meet each other half way 相互妥协，让步

　　You should try to meet each other half way. (你们应该相互妥协。)

　　15.on the dot 准时;正点

　　we were both there on the dot. (是的，我俩都准点到达。)

　　16.once and for all 最后一次;干脆

　　I am going to tell that neighbor of mine to turn down that musiconce and for all。(我要最后一次告诉我那个邻居把音乐声关小。)

　　17.out of this world 非常好

　　I got the last piece. And it was out of this world。(我拿到最后一块。好吃极了。)

　　18.play by ear 随机应变，视情形而定

　　Marty, are you doing anything special for your presentation inpolitical science tomorrow?

　　(Marty，你在为明天的政治学演讲准备与众不同的材料吗?)