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

　　101. by chance(=accidentally, by accident)偶然

　　102. for a change換換環境(花樣等)

　　103. charge sb. with …控告某人犯有…

　　104. in charge of (=responsible for) 負責(某事)

　　in the charge of …由…管

　　105. take charge of (=to be or become responsible for)負責管理(照顧)

　　106. charge…for 因…索取(費用) , charge sb. with sth. 控告某人犯有…

　　107. round the clock(=all day and all night, usually without stopping) 晝夜不停地

　　108. comment on 評論

　　109. commit oneself to 使自己承擔… commit sb. to prison把某人送進監獄; commit one’s idea to writing 把某人的想法寫下來; commit a matter to a committee 把某事交給委員會討論

　　110. in common (和…)有共同之處,共用.

　　be common to sb. 是與某人所共有的

　　111. keep company with (=be friendly and go out together) 和…要好.

　　112. compare…with … 把…與…比較

　　113. compare…to… 把…比作…

　　114. by comparison 比較起來

　　115. in comparison with (=in contrast to) 和…比起來

　　116. compensate for (=give sth. to make up for) 補償, 賠償,彌補 compensate sb. for sth. 賠償,彌補

　　117. complain of (or about)抱怨;訴苦;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 (補充); compliment (恭維)

　　118. comply with (=act in accordance with a demand, order, rule etc.) 遵守, 依從

　　119. conceive of (think of, imagine, consider) 想象,設想

　　120. concentrate on (or upon) 集中,專心

　　121. be concerned with (=about) 與…有關

　　122. concern oneself about / with 關心

　　123. in conclusion(=as the last thing)最后一點; at the conclusion of 當…結束時;

　　124. condemn sb. to 判決

　　125. on condition that (=if)以…為條件, 假如.

　　in that = because 因為;

　　now that = since 既然

　　for all that = although 盡管