81.   on board 到船上, 在船上, 上火車或飛機(jī)
82.   boast of (or about) 吹噓
83.   out of breath 喘不過氣來
84.   in brief(=in as few words as possible)簡言之
85.   in bulk 成批地,不散裝的
86.   take the floor 起立發(fā)言
87.   on  business 出差辦事.
88.   be busy with sth.于某事            。                                be busy doing sth. 忙于做某事
89.   last  but  one  倒數(shù)第二.
90.   but  for (=without)  要不是. 表示假設(shè)
91.   buy sth. for…money  用多少錢買
92.   be capable of  能夠, 有能力
be capable of being +過去分詞:是能夠被…的
93.   in any case(=for love or money, at any rate, at any price, at any cost, whatever happens; anyhow)無論如何94.    in case (=for fear that) 萬一;
95.   in case of (=in the event of)如果發(fā)生…萬一
   in the case of 至于…, 就…而言
96.   in no case在任何情況下都不(放句首倒裝句)
97.   be cautious of 謹(jǐn)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,有把握地