1.demand sth. of sb. 向某人要求(非物质的)东西. demand sth. from sb. 向某人要求(物质的)东西

2.in demand有需求;on demand受到要求时

3. be dependent on 依靠

4. deprive sb. of sth. 剥夺某人某物

5. derive…from(=obtain…from)从…取得,由…来的.derive from(=come from)起源于

6. despair of (=lose all hope of) 绝望

7. in despair 绝望

8. despite (=in spite of) 不管, 尽管

9. in detail 详细地

10. deviate from 偏离, 不按…办

11. on a diet 吃某种特殊饮食, 节食

12. differ from…in 与…的区别在于…

13. in difficulties…有困难,处境困难,

14. discharge sb. (from)…for (=dismiss sb. from a job for) 因…解雇, 开除

15. fall back (=retreat, turn back) 撤退; in disorder 慌乱地, 狼狈不堪

16. on display(=being shown publicly)陈列

17. dispose of (=get rid of ,throw away)处理掉

18. beyond dispute不容争议的,无可争议

19. in dispute 在争议中

20. in the distance 在远处. make out 辩认出

21. (be) distinct from ( = be different from) 与…截然不同

22. distinguish between (=make or recognize differences) 辨别

23. distinguish…from 把…与…区别开

24. do away with(=get rid of; abolish; discard eliminate) 除去,废除,取消; do away with (=kill) 杀掉, 镇压

25. have…to do with 与…有关系

26. without doubt (=undoubtedly)无可置疑地

27. in doubt(=in a condition of uncertainty)对…表示疑惑

28. be due to 是由于

29. come off duty 下班

30. go on duty 上班