101．by chance (= accidentally, by accident) 偶然
102．for a change 换换环境（花样等）
103．charge sb. with ……控告某人犯有……
104．in charge of (=responsible for) 负责（某事）
in the charge of ……由……管
105．take charge of (=to be or become responsible for) 负责管理（照顾）
106． charge...for 因……索取（费用）
charge sb. with sth. 控告某人犯有……
107．round the clock (=all day and all night, usually without stopping) 昼夜不停地
108．comment on评论
109．commit oneself to 使自己承担…… commit sb. to prison 把某人送进监狱；commit one's idea to writing 把某人的想法写下来；commit a matter to a committee 把某事交给委员会讨论
110．in common （和……）有共同之处，共用
be common to sb. 是与某人所共有的
111．keep company with (=be friendly and go out together) 和……要好
112．compare...with... 把……与……比较
113．compare...to... 把……比作……
114．by comparison 比较起来
115．in comparison with (=in contrast to) 和……比起来
116．compensate for (=give sth. to make up for) 补偿，赔偿，弥补 compensate sb. for sth. 赔偿，弥补
117．complain of (or about) 抱怨；诉苦；控告；complain about 抱怨某人或事情；complain to sb. about sth. (or sb.) 向某人抱怨……；complain（抱怨）；complement（补充）；compliment（恭维）
118．comply with (=act in accordance with a demand, order, rule etc.) 遵守，依从
119．conceive of (think of, imagine, consider) 想象，设想
120．concentrate on (or upon) 集中，专心
121．be concerned with (=about) 与……有关
122．concern oneself about/with 关心
123．in conclusion (=as the last thing) 最后一点；at the conclusion of 当……结束时
124．condemn sb. to 判决
125．on condition that (=if) 以……为条件，假如
in that = because 因为
now that = since 既然
for all that = although尽管
126．in/out of condition (=thoroughly healthy or fit/not fit) 健康状况好／不好
in good (bad) condition 处于良好（坏）状态
127．confess(to) (to = admit a fault, crime, or sth. wrong) 承认，供认
confess to a crime承认罪行
128．confide in (=to talk freely to sb. about one's secret) 对……讲真心话，依赖
129．in confidence 推心置腹地；
with confidence 满怀信心地；
have confidence in 对……有信心，
130．confidence in sb./sth. 对……的信赖
131．be confident of 有信心