業精於勤，事立於豫

21. ... be afraid to do sth　　恐俱，害怕做……

　例句：I'm afraid to go out at night. (我害怕晚上出去。)

22. be allowed to do　　被允許做……

　例句：I'm allowed to watch TV. (我被允許看電視。)

　例句：I should be allowed to watch TV. (我應該被允許看電視。)

23. be angry with sb　　生某人的氣

　例句：Don't be angry with me. (別生我的氣。)

24. be angry with(at) sb for doing sth　　為……而生某人的氣

25. be as … 原級 … as　　和……什麼一樣……

　例句：Sheis as tall as me. (她和我一樣高。)

26. be ashamed to do sth　　對做……感到羞愧

27. be away from　　遠離

28. be born　　出生

29. be bad for　　對……有害

　例句：Reading books in the sun is bad for your eyes. (在太陽下看書對你的眼睛不好。)

30. be busy doing sth　　忙於做某事