1. be on duty 值班,值日,在上班时 ( c8 r7 H. k5 C0 ^8 B, D 2. distinguish between (=make or recognize differences) 辨别 " b' d' w2 Z+ ^9 s 3. distinguish…from 把…与…区别开 - Z' `3 J n! K& Y4 ` 4. do away with(=get rid of;abolish;discard eliminate)除去,废除,取消;do away with (=kill)杀掉, 镇压' B3 M; L% n) ]" O5 H7 e# h
5. have…to do with 与…有关系 : g# B6 E, _& y# d& K 6. without doubt (=undoubtedly)无可置疑地, { ]& `7 {& T( n" q a
7. in doubt(=in a condition of uncertainty)对…表示疑惑1 ^* C" g/ S4 h( R2 K9 f
8. be due to 是由于# u2 E1 ^4 F6 m1 Q+ O+ U! C
9. come off duty 下班! t5 i l+ o/ J2 a2 L% g
10. go on duty 上班