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