78.by birth 在出生上,论出身,按血统 at birth 在出生时;give birth to 出生
79.blame sb. for sth. 因……责备某人
blame sth. on sb. 把……推在某人身上
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.arise from (=be caused by) 由……引起
97.arrange for sb./sth. to do sth. 安排……做……
98.arrive on到达;arrive at 到达某地(小地方);得出,作出;arrive in 到达某地(大地方);
99.be ashamed of (=feel shame, guilt or sorrow because of sth. done) 以……为羞耻
100. assure sb. of sth. (=try to cause to believe or trust in sth.) 向……保证,使……确信