1. (To) ace (v.) (a test, exam, etc.)：很轻松通过考试；ex："Robert aced his physics exam."

2. All-ears：洗耳恭听。 ex："I'm all-ears"

3. All-nighter (n.)：刷夜，经常和pull一起用；ex："We pulled an all-nighter in order to finish the project."

4. Around-the-clock：24/7, 24小时不停歇；ex："The house was being watched around the clock."

5. B.O.:body odor简称；ex："The woman sitting beside me had really bad B.O."

6. Blow or Bomb：to fail or to be unsuccessful.

7. Blue or Have the Blues：心情忧郁。

8. Buck：一美元。

9. By the skin of your teeth：just barely.

10. Cash (n.)：Money. ex："You got any cash on you?"

11. Cheesy (adj.)：Cheap, tacky. ex："A cheesy pick-up line", "A cheesy song", etc.

12. Chick (n.)：Young woman, girl, etc. （有调笑意味，慎用）

13. Cool (adj.)：nice, great, impressive ex："a cool dress", "a cool guy", "a cool bar"

14. Cop (n.)：警察，美剧中经常使用； ex："My brother is a cop."

15. Creep (n.)：非常奇怪，令人感觉不舒服的人. ex："I don't like Tom. He seems like a creep."

16. Couch Potato：一到假期我们都是沙发上的土豆——天天坐沙发看电视吃东西的死宅

17. Cram：非常努力地准备考试。

18. Crash：to go to sleep; or to show up without invitation ex："Can I crash here tonight?"

19. Drama queen：非常情绪化的人；Someone who thrives on the dramatic. ex："Betty is such a drama queen!"

20. Down to earth：实用，简单

21. Dead：Empty; quiet (形容酒吧，餐厅等) ex："It's really dead in here tonight"

22. Drive up the wall:激怒某人； "He is driving me up the wall."

Dutch or go Dutch：each person pays for his/her own meal.

23. Give the cold shoulder：ignore.

24. Give a ring：to telephone.

25. Hyped (adj.)：极其激动；ex："We're all hyped about the concert next weekend."

26. Hang-over：酒后头疼。

27. Hit the books：study.

28. Hit the road：to leave.

29. Hold your horses：be calm!

30. In no time：Very soon. ex："Don't worry - We'll be there in no time."

31. Just plain (adj.)：Clearly; simply. ex："He's just plain stupid."

32. Later："See you later." 简称。

33. Lighten up (v.)：放轻松一点；ex："You gotta learn to lighten up a bit!"

34. Lemon：a bad buy or purchase.

35. Munchies (n.pl)：Chips and other types of junk food. ex："I picked up some munchies on my way from work."

36. Over："Over" is often used to emphasize location. ex："I live over on Orange Street." (I live on Orange Street).

37. Oops!：said after a small mistake.

38. Pig out：吃的过多。

39. Ride shotgun (v.)：车上司机旁边的位置；ex："I wanna ride shotgun!"

40. Screw up (v.)：犯了错误，做错事；ex："I really screwed up my audition."