100. for certain of (=for sure )肯定地,有把握地　­

99. be certain of (=be sure of) 有把握, 一定.　­

98. center one’s attention on(=focus one’s attention on) 把某人的注意力集中在…上　­

97. be cautious of 谨防　­

96. in no case在任何情况下都不(放句首倒装句)　­

95. in case of (=in the event of)如果发生…万一　in the case of 至于…, 就…而言　­

94. in case (=for fear that) 万一;　­

93. in any case(=for love or money, at any rate, at any price, at any cost　, whatever happens; anyhow)无论如何　­

92. be capable of 能够, 有能力　be capable of being +过去分词是能够被…的　­

91. buy sth. for…money 用多少钱买　­