以下是实际生活中以及电影中经常出现的实用俚语，如果同学能够在雅思口语使用这样的俚语你的语言就会更加地道，更加美丽。同时也是很精彩的亮分点。

　　1   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.

　　2   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.

　　3   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.

　　4   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!

　　5　In the Bag 稳锻炼身体胜券

　　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.

　　6   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.

　　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.