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