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.于某事 。 be busy doing sth. 忙于做某事
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