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 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
