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　

108. comment on 评论　

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

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

105. take charge of (=to be or become responsible for)负责管理(照顾)　

104. in charge of (=responsible for) 负责(某事)　 in the charge of …由…管　

103. charge sb. with …控告某人犯有…　

102. for a change换换环境(花样等)　

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

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