buy sth. for…money 用多少钱买
be capable of 能够，有能力；be capable of being+过去分词是能够被…的
in any case(=for love or money，at any rate，at any price，at any cost ，
whatever happens;anyhow)无论如何
in case(=for fear that)万一
in case of(=in the event of)如果发生…万一;in the case of 至于…，就…而言
in no case 在任何情况下都不(放句首倒装句)
be cautious of 谨 防
center one’s attention on(=focus one’s attention on)把某人的注意力集中在…上
be certain of(=be sure of)有把握，一定.
for certain of(=for sure)肯定地，有把握地
by chance(=accidentally，by accident)偶然
for a change 换换环境(花样等)
charge sb. with… 控告某人犯有…
in charge of(=responsible for)负责(某事);in the charge of… 由…管
take charge of(=to be or become responsible for)负责管理(照顾)
