1. take the floor
(在会议上)发言，参加讨论;
[例句]The chairman permitted me to take the floor.
主席允许我发言。
2. on business
出差; 因公;
[例句]I presume you're here on business
我想你是来这里出差的。
3. be busy with
忙于; 从事
[例句]Students be busy with studies, preparing for the forthcoming examinations.
学生们准备着即将来临的考试，学业繁忙。
4. last but one
倒数第二;
[例句]It's the last but one day in the athletics programme
那是田径比赛结束的前一天。
5. but for
要不是;
[例句]I'd have been lost but for you.
要不是你，我就走迷路了。
6. buy sth. for money
用多少钱买
[例句]I forget how much they paid for it.
我忘了他们用多少钱买的这东西。
7. be capable of
能够;
[例句]Servers and storage must be capable of resizing without impact to users.
服务器和存储必须能够在不影响用户的情况下重新调整大小。
8. in any case
无论如何，不管怎样; 还有;
[例句]He thought her campaign would probably fade out soon in any case.
他认为不管怎样，她的竞选活动都可能会很快归于沉寂。
9. in case
假使; 免得; 以防; 也许;
[例句]Write the telephone number down in case you forget.
把电话号码写下来以免忘了。
10. in case of
万一，如果; 防备;
[例句]In case of difficulty, just call on me.
如有困难，找我好了。
11. in the case of
至于…， 就…来说;
[例句]I dread to think what will happen in the case of a major emergency
我不敢想在重大紧急情况下会发生什么。
12. in no case
无论如何不;
[例句]In no case will they look on passively.
他们决不会在一边看热闹。
13. be cautious of
留心…，谨防…;
[例句]We should be cautious of the plan.
制定计划时要谨慎。
14. enter one's attention on
把某人的注意力集中在上
[例句]I center my attention on reading .
我集中精力读书。
15. be certain of
确信;
[例句]Brazil need to beat Uruguay to be certain of a place in the finals
巴西必须击败乌拉圭才能确保进入决赛。
16. at best
顶多; 至多， 充其量;
[例句]We can only finish half of it this afternoon at best.
今天下午我们充其量只能完成一半。
17. by chance
碰巧; 偶然地，意外地; 无意之中; 偏巧;
[例句]I met her by chance on the street.
我恰巧在街上遇到了她。
18. in charge of
主管，负责; 照料;
[例句]He is in charge of the school work.
他负责学校工作。
19. round the clock
昼夜; 日夜; 夜以继日; 日以继夜;
[例句]He often works round the clock.
他经常通宵达旦地工作。
20. in common
共有; 同;
[例句]We happened to discover we had a friend in common
我们凑巧发现我们有一个共同的朋友。
