1. take the floor
（在會議上）發言，參加討論;
[例句]The chairman permitted me to take the floor.
主席允許我發言。
2. on business
出差; 因公;
[例句]I presume you're here on business
我想你是來這裏出差的。
3. be busy with
忙於; 從事
[例句]Students be busy with studies, preparing for the forthcoming examinations.
學生們準備着即將來臨的考試，學業繁忙。
4. last but one
倒數第二;
[例句]It's the last but one day in the athletics programme
那是田徑比賽結束的'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
用多少錢買
[例句]I forget how much they paid for it.
我忘了他們用多少錢買的這東西。
7. be capable of
能夠;
[例句]Servers and storage must be capable of resizing without impact to users.
服務器和存儲必須能夠在不影響用戶的情況下重新調整大小。
8. in any case
無論如何，不管怎樣; 還有;
[例句]He thought her campaign would probably fade out soon in any case.
他認爲不管怎樣，她的競選活動都可能會很快歸於沉寂。
9. in case
假使; 免得; 以防; 也許;
[例句]Write the telephone number down in case you forget.
把電話號碼寫下來以免忘了。
10. in case of
萬一，如果; 防備;
[例句]In case of difficulty, just call on me.
如有困難，找我好了。
11. in the case of
至於…， 就…來說;
[例句]I dread to think what will happen in the case of a major emergency
我不敢想在重大緊急情況下會發生什麼。
12. in no case
無論如何不;
[例句]In no case will they look on passively.
他們決不會在一邊看熱鬧。
13. be cautious of
留心…，謹防…;
[例句]We should be cautious of the plan.
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 .
我集中精力讀書。
15. be certain of
確信;
[例句]Brazil need to beat Uruguay to be certain of a place in the finals
巴西必須擊敗烏拉圭才能確保進入決賽。
16. at best
頂多; 至多， 充其量;
[例句]We can only finish half of it this afternoon at best.
今天下午我們充其量只能完成一半。
17. by chance
碰巧; 偶然地，意外地; 無意之中; 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，負責; 照料;
[例句]He is in charge of the school work.
他負責學校工作。
19. round the clock
晝夜; 日夜; 夜以繼日; 日以繼夜;
[例句]He often works round the clock.
他經常通宵達旦地工作。
20. in common
共有; 同;
[例句]We happened to discover we had a friend in common
我們湊巧發現我們有一個共同的朋友。