1. Be in the air意思是即将要发生或者改变
2. Clear the air意思是消除误会
3. Wipe the slate clean 既往不咎,之前的一笔勾销
4. Cost an arm and a leg出大价钱,花了血本
5. A bad egg.道德败坏的人
6. a stuffed shirt 道貌岸然,看上去一本正经,白天教授晚上禽兽
7. Put one’s cards on the table打开天窗说亮话
8. beat around the bush 东拉西扯,不进入正题
9. beat your breast捶胸顿足
10. Have one’s head in the clouds 想入非非 心不在焉