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.