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