1. as easy as pie 易如反掌
All the examinations were as easy as pie to me.
所有的考试对我而言都很容易。
2. hit the books 复习课本的内容
I must hit the books now because I have an exam tomorrow.
因为我明天有个考试，所以我现在得去复习一下功课。
3. (to be) up in the air 尚未决定
Our travel plans are still up in the air.
我们的旅游计划依然悬而未决。
4. (to) go cold turkey 断然停止
I wanted to stop smoking and got healthy, so I went cold turkey.
我想戒烟且变健康，所以我毅然决然地停止抽烟了。
5. (to) face the music 面对现实；承担做错事的后果
We must stand together and face the music.
我们得团结一心，共同承担后果。
6. (to be) under the weather 身体不舒服
I am a little bit under the weather.
我有点不舒服。
7. (to) look like a million dollars 棒极了；很有吸引力
You look like a million dollars in this new dress.
你身穿新洋装，显得漂亮极了。
8. (to) stab someone in the back 暗箭伤人
How could you stab me in the back like that?
你怎么可以背地里中伤我？
9. (to) sit tight 耐心等待；按兵不动
Be calm and sit tight and everything will turn out well.
保持镇定并静观其变，一切都会转好的。
10. 24/7 (twenty-four seven) 每分每秒；无时无刻
24/7 的涵义就是「24 hours a day, 7 days a week」，用以表达「每天而且整天」的意思。
The convenience stores in Taiwan run 24/7. They are very convenient!
台湾的便利商店全年无休，非常方便！
