1.Clear the air 消除误会

　　To settle a dispute and restore good relations

　　Example: We had a meeting with the workers, and I think we’ve cleared the air now。

　　2.Be in the air 将要发生的事情

　　The feeling or idea that something new is about to happen or is going to change。

　　Example: From the arguments going on at the meeting, it seems that a change in policy is in the air。

　　3.A bad egg 缺乏道德的人

　　Somebody who has no moral principles and should be avoided

　　Example: You mustn’t lend Tim money, he’s a bad egg. You’ll never see him or your money again!

　　4.Cost an arm and a leg 极其昂贵

　　To be very expensive

　　Example: I love that fur coat. However, I don’t think I’m going to buy it because it costs an arm and a leg。

　　5.In the balance 未知的，不可预测的

　　Said when the outcome of a situation is unknown or unpredictable

　　Example: His career as a pilot is in the balance, as his eyesight does not seem good enough。

　　6.In the Bag 稳操胜券

　　Said of an achievement which is secure

　　Example: We have the deal in the bag. The client came in this morning to sign the agreement。

　　7.Drive a hard bargain 极力讨价还价

　　To have the negotiating strength and skills to get the most advantageous price and conditions

　　Example: Amanda is negotiating the best price from the suppliers. She drives a hard bargain。

　　8.Ring a bell 看上去或听起来非常熟悉

　　To look, sound or seem familiar

　　Example: That face rings a bell, where have I seen him before?

　　9.Tighten one’s belt 节衣缩食

　　To cut down on spending because there is less income than before

　　Example: Now you are out of work, you’ll have to tighten your belt and give up buying new clothes and going out so often。

　　10.Kill two birds with one stone 一石二鸟

　　To complete two tasks together, with less effort than doing them separately

　　Example: Since I’d gone to the store to buy some bread, I thought ofkilling two birds with one stone and invited Mr. Biggs to the party。11.Be in a black mood 情绪极差

　　To be so negative about everything that it is impossible for anyone to reason with him/her

　　Example: My father has been in a black mood for days, we dare not say anything to him。

　　12.Feeling blue 感到无精打采

　　Feeling sad or depressed

　　Example: She’s feeling blue, because the man she loves is far away。

　　13.New blood 新成员

　　New people brought into an organization to introduce different and original ideas

　　Example: It was decided to bring new blood into the school by employing teachers with the latest training。

　　14.Get to the bottom of something 弄清真相

　　To find out the truth about something

　　Example: I’m trying to get to the bottom of why David left without saying goodbye。

　　15.A piece of cake 轻松的事

　　Something which is very easy to do

　　Example: Here…let me put the batteries in for you. It’s a piece of cake。

　　16.Pay a call 拜访

　　To visit somebody

　　Example: As we’re in this neighborhood, we might as well pay the Jacksons a call, we haven’t seen them for ages。

　　17.Round the clock 夜以继日的

　　To do something continuously, without a break or pause

　　Example: The ambulance services worked round the clock hauling people trapped in the building to safety。

　　18.By chance 偶然，意外的

　　Unexpectedly; with no prior planning

　　Example: By chance, I bumped into my wife in the shopping mall

　　19.Keep one’s cool 保持冷静

　　To stay calm in a difficult situation

　　Example: If the traffic is jamed, the only thing to do is keep your cool, or get out of the car and walk!

　　20.In a tight corner 处于困境

　　In an extremely difficult situation

　　Example: Whenever I get into a tight corner, I try to rely on quick thinking to get out of it。21.Fall on deaf ears 不加理睬的，不听取

　　Not to take any notice of what is said

　　Example: The city council’s order that garbage should be put in thebins fell on deaf ears; the sidewalks are still littered with trash!

　　22.Keep in the dark 隐瞒

　　To keep something secret

　　Example: We know my brother has a new girlfriend, but he's keeping her name in the dark。

　　23.Take things easy 放轻松

　　To relax

　　Example: It's better for our health to take things easy than to worry about problems all the time。

　　24.Catch one’s eye 吸引某人注意

　　To attract somebody’s attention

　　Example: A movement behind the curtain caught my eye I thought it was a burglar and rushed out of the room!

　　25.Eat like a horse 吃得很多

　　To eat a lot; to have a very big appetite

　　Example: Fred eats like a horse. When I was a growing lad like him, I used to eat a lot, too。

　　26.Turn a blind eye 。熟视无睹

　　To ignore an action, even though one should do something about it

　　Example: Parents will spoil their children if they constantly turn a blind eye to their bad behavior。

　　27.Have an eye for something 对某事(某物体)了解得非常清楚

　　To be very good at doing something, or have a great understanding of something。

　　Example: As a botanist, he has to describe and draw plants accurately, so he must have an eye for detail。

　　28.Keep an eye on 照看， 密切注视

　　To watch carefully; to look after

　　Example: Keep an eye on my purse I'm just going to the bathroom。

　　29.Lose face 丢脸

　　To have one's reputation spoiled; to be embarrassed

　　Example: The large drug houses have lost face, because smaller companies are selling similar products at a cheaper price!

　　30.Lead the field 处于领头地位

　　To be the most successful person or group in an activity

　　Example: For decades, the House of Dior led the field in elegant fashion design31.Get out of hand 失去控制

　　To be out of control

　　Example: The problem of suicide bombings is getting out of hand; there seems to be no way to stop them。

　　32.Give a hand 提供帮助

　　To help somebody with something

　　Example: Please give me a hand and hold this board while I paint it。

　　33.Learn by heart 牢记

　　To memorize something; to have learned something word for word or very precisely。

　　Example: At school we often learned Shakespeare’s sonnets by heart and recited them in front of the class。

　　34.On hold 尚未办理的事情

　　Something set aside and waiting to be dealt with

　　Example: Our vacation plans are on hold right now; because my Dad’s just been admitted to hospital with a stomach ulcer。

　　35.A dark horse 出乎意料的嬴家

　　An unexpected winner。

　　Example: A dark horse in this year’s basketball cup was Japan!

　　36.The bottom line 本质内容

　　The most essential part of something

　　Example: We’ve talked a lot about taxation and immigration, but the bottom line is that we have to create more jobs。

　　37.Live it up 狂欢一场

　　To enjoy a high standard of living and lead a carefree life

　　Example: The neighbors having been living it up ever since they won the sweepstakes。

　　38.Bear in mind 记住

　　To remember something which can be of help in the future。

　　Example: Before you start your perspective drawing, bear in mind you should first establish a vanishing point。

　　39.Look forward to 期待着

　　To relish some future prospect; to eagerly await meeting somebody。

　　Example: You can tell Jake is looking forward to his vacation hekeeps telling us how many days there are left until he finishescollege。

　　40.Have a mind to 想做某事， 计划做某事

　　To be decided on ; to intend to

　　Example: The service in our hotel was terrible. I have a mind to write a letter of complaint。41.Be in the mood 想要做某事

　　To feel like doing something

　　Example: She is not in the mood for playing cards and says she should really be preparing her lecture notes。

　　42.Over the moon 欣喜若狂

　　Extremely happy

　　Example: She’s over the moon about her promotion she really wasn’t expecting it。

　　43.Over and above 除…这外， 额外的

　　In addition to

　　Example: Over and above our salary, we are getting a large bonus, because business has been very profitable this year。

　　44.Get a move on 赶快

　　To hurry up

　　Example: Get a move on! The train is about to leave。

　　45.Get the picture 了解某事

　　To understand something, to grasp some meaning

　　Example: When they started cutting back and laying people off at work, I got the picture and starting looking for another job。

　　46.Keep somebody posted 传达消息

　　To regularly give somebody up-to-date information or details of the progress being made。

　　Example: I phoned in at the end of each working day to keep my boss posted about developments at the trade conference。

　　47.Be out of pocket 花光了钱的

　　To be without money

　　Example: He’s complaining because he spent all of his money on slot machines and now he’s out of pocket。

　　48.Lose track of 失去消息,失去线索

　　To lose contact with somebody to not know where something is

　　Example: I lost track of Fran when she moved to Boston. I’ve even tried to locate her on the Internet。

　　49.On a shoestring 生活拮据

　　In a thrifty manner; with costs or spending down to a bare minimum

　　Example: She lives on a shoestring she gets a tiny pension and has to budget very tightly。

　　50.In the long run 最终，最后

　　Over a long period of time, once a process has matured

　　Example: The grocery store is making a loss right now. In the long run,however, we hope to achieve a situation of stable profit