29. quarrel with sb. 和某人吵架

28. have a good time=enjoy oneself玩得愉快

27. at midnight 在半夜

26. in fact 实际上

25. throw about 乱丢，抛散

24. laugh at 嘲笑

23. at the head of……在……的前头

22. waiting room 候诊室，候车室

21. stand in line 站队

20. get off 下车