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

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

3. distinguish…from把…与…区别开考试资料网(www.ppkao。com)

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

5. have…to do with与…有关系

6. without doubt (=undoubtedly)无可置疑地

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

8. be due to是由于

9. come off duty下班

10. go on duty上班