1. be ignorant of 对…不知道(了解)
2. be in drink 喝醉了
3. be in fashion (人、物)合于时尚
4. be in for 参加(竞赛、考试等)
5. be in love with 跟…恋爱
6. be in sympathy with 赞同,同情
7. be in the habit of 有…习惯(或脾气)
8. be in the wrong 错,理亏
9. be inferior to (质量等)比…差
10. be jealous of 嫉妒…
11. be keen about 喜爱,对…着迷
12. be keen on 喜爱,爱好;渴望
13. be keen on 喜爱;渴望
14. be known as 以…知名;被认为是
15. be known for 因…而众所周知
16. be known to 为…所知
17. be located in 位于…,坐落在…
18. be lost on 对…不起作用
19. be loyal to 忠于
20. be married to sb. 和…结婚
21. be noted as 以…而闻名
22. be occupied in 忙于…,正从事…
23. be off one's head 神经错乱,神志不清
24. be on a diet 节食
25. be on the advance (物价)在上涨中
26. be on the drink 常常喝酒,酗酒
27. be out for 为图要;一心为
28. be out of employment 失业
29. be out of style 不合时式,不时髦
30. be qualified to 能胜任…