80.in blossom 开花(指树木)be in blossom 开花(强调状态)come into blossom 开花(强调动作)
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 ones attention on (=focus ones 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