81.on board到船上,在船上,上火车或飞机

　　82.boast of (or about)吹嘘

　　83.out of breath喘不过气来

　　84.in brief (=in as few words as possible)简言之

　　85.in bulk成批地,不散装的

　　86.take the floor起立发言

　　87.on business出差办事.

　　88.be busy with sth.于某事。 be busy doing sth.忙于做某事

　　89.last but one倒数第二.

　　90.but for (=without)要不是.表示假设

　　91.buy sth. for…money用多少钱买

　　92.be capable of能够,有能力be capable of being +过去分词:是能够被…的

　　93.in any case (=for love or money, at any rate, at any price, at any cost, whatever happens;anyhow)无论如何

　　94.in case (=for fear that)万一;

　　95.in case of (=in the event of)如果发生…万一in the case of至于…,就…而言

　　96.in no case在任何情况下都不(放句首倒装句)

　　97.be cautious of谨防

　　98.center one's attention on (=focus one's attention on)把某人的注意力集中在…上

　　99.be certain of (=be sure of)有把握,一定.

　　100.for certain of (=for sure)肯定地,有把握

　　101.by chance (=accidentally, by accident)偶然

　　102.for a change换换环境(花样等)

　　103.charge sb. with …控告某人犯有…

　　104.in charge of (=responsible for)负责(某事) in the charge of …由…管

　　105.take charge of (=to be or become responsible for)负责管理(照顾)

　　106.charge…for因…索取(费用), charge sb. with sth.控告某人犯有…

　　107.round the clock (=all day and all night, usually without stopping)昼夜不停地

　　108.comment on评论

　　109.commit oneself to使自己承担… commit sb. to prison把某人送进监狱; commit one's idea towriting把某人的想法写下来; commit a matter to a committee把某事交给委员会讨论

　　110.in common (和…)有共同之处,共用. be common to sb.是与某人所共有的

　　111.keep company with (=be friendly and go out together)和…要好.

　　112.compare…with …把…与…比较

　　113.compare…to…把…比作…

　　114.by comparison比较起来

　　115.in comparison with (=in contrast to)和…比起来

　　116.compensate for (=give sth. to make up for)补偿,赔偿,弥补compensate sb. for sth.赔偿,弥补

　　117.complain of (or about)抱怨;诉苦;控告; complain about抱怨某人或事情; complain to sb.about sth. (or sb.)向某人抱怨…; complain (抱怨); complement (补充); compliment (恭维)

　　118.comply with (=act in accordance with a demand, order, rule etc.)遵守,依从

　　119.conceive of (think of, imagine, consider)想象,设想

　　120.concentrate on (or upon)集中,专心

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