1. be supposed to do 应该
    如：We are supposed to stop smoking. 我们应该停止吸烟。
    表示应该的词有：should, ought to ,be supposed to
2. shake hands　握手　shake 本意是“摇动、震动”
3. You should have asked what you were supposed to wear.
    你本应该问清楚怎么样穿才得体。中的“should have asked”是
    “情态动词＋现在完成时”表示过去本应该做某事，事实上没有做
    如：She should have gone to Beijing. 她本应该去了北京。（没有去）
4. be relaxed about sth.　对某事随意、不严格　如：
    They are relaxed about the time. 他们对时间很随意。
5. pretty  adv. 相当, 很 ＝ very　
    She is pretty friendly. 她相当友好。
    adj. 美丽的 She is a pretty girl. 她是一个美丽的女孩。
6. make plans to do = plan to do. 打算做某事　如：
    She has made plans to go to Beijing.==She has planed to go to Beijing.
7. drop by 访问　看望　拜访　串门
    We just dropped by our friends’ homes.我们刚刚去朋友家串门。
8. on time 按时
9. after all 毕竟　终究　如：You see I was right after all.你看，毕竟还是我对了。
10. invite sb. to do sth. 邀请某人做某事
      如：Lily invited me to have dinner.莉莉请我吃晚饭。
11. without 没有
12. around the world == all over the world 全世界
13. pick up 捡起　挑选　如：He picked up his hat. 他捡起他的帽子。
14. start doing == start to do 开始做某事　如
　　He started reading.== He started to read. 他开始读。
15. point at 指向　
16. stick v. 剌　截　　n. 棒，棍　
      chopstick 筷子　是由chop(砍)＋stick(棒)合成，
      通常用复数形式：chopsticks
17. go out of one’s way to do 特意，专门做某事　如：
　　He went out of his way to make me happy. 他特意使我高兴。
18. make mistakes 犯错误（复数）make a mistake 犯错误（一个）
19. be different from 与…不同　如：
　　Chinese food is different from theirs. 中国菜与他们的不同.
20.  get/be used to sth. 习惯于…
     get/be used to doing　习惯于…
  　be used to do 　被用于做…
     be used for doing　被用于做…
     used to do 过去常常做…　如：
     I wash clothes everyday. But I’m used to it.
     我每天都洗衣服，但我习惯了
     I am used to washing clothes. 我习惯于洗衣服了。
     The knives are used to cut things. 小刀被用来切东西。
     The knives are used for cutting things. 小刀被用来切东西。
　  She used to watch TV after school. 她过去放学后常常看电视。
21. 我发现要记住每一样事是困难的。
     I find it difficult to remember everything.
     it是形式宾语，真正宾语是to remember everything
     常见的形式宾语有：
     find / think + it/them +形容词 to do sth. 如：I think it hard to study English.
22. cut up 切开　切碎　如：Let’s cut up the water melon. 让我们切开这个西瓜吧。
23. make a toast 敬酒
24. crowd  v.挤满  其形容词和过去式及过去分词都是：crowded
25. set n. 一套　　v. 设置
26. can’t stop doing 忍不住做某事　I can’t stop laughing. 我忍不住笑
27. make faces　做鬼脸　　
28. face to face 面对面
29. learn…by oneself 自学　如：I learn English by my self. 我自学英语。