81. on board 到船上, 在船上, 上火車或飛機
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 起立發言
87. on business 出差辦事.
88. be busy with sth.於某事 。 be busy doing sth. 忙於做某事
89. last but one 倒數第二.
90. but for (=without) 要不是. 表示假設
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)如果發生…萬一
in the case of 至於…, 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