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　　eg. The computer enables people to communicate with each other more conveniently. /计算机使人们彼此间能更方便地交流。

　　2.be about to do sth… when 正要做某事……突然……

　　eg. I was about to go shopping when it suddenly began to rain. /我刚要出去买东西，天就突然下雨了。

　　3.by accident / by chance / accidentally 偶然地

　　4.come across sb 偶然遇见

　　5.act on sth 依……行事

　　eg. Each student should act on the rules and regulations of the school. / 每个学生都应该遵守学校的规章制度。

　　6.add to / add up to 加上/ 总计达

　　eg. The number of the patients added up to three hundred last week. / 上星期，病人人数达到了三百人。

　　7.in advance / ahead of time 提前

　　8.after all 毕竟

　　9.agree to do sth / agree with sb/ agree to sth

　　10.aim at doing sth 下定目标做某事

　　eg. Aiming at winning the game， he practiced hard every day. / 为赢得比赛，他每天努力练习。

　　11.allow / permit / forbid doing sth 允许/ 允许/ 禁止做某事

　　12.allow / permit/ forbid sb to do sth 允许/ 允许/ 禁止某人做某事

　　13.apologize to sb for sth 因某事向某人道歉

　　14.take sth in one's arms 抱着……

　　15.arrive at a conclusion 得出结论

　　16.put sb to shame 使某人相形见绌

　　eg. His courage put all the other students to shame. / 他的勇气令其他学生都感到惭愧不如。

　　17.be astonish at sth 因某事感到震惊

　　18.make the bed 铺床

　　19.blame sb for sth / it is me to blame 因某事责怪某人/ 该受责怪的人是我

　　20.break down / break up / break out / break into 坏了/ 驱散/ 爆发/ 破门而入

　　21.hold one's breath / out of breath 摒住呼吸/ 上气不接下气

　　22.bring about / bring up 引起，使发生/ 抚养长大

　　23.burst into tears / laughters 突然大哭/ 大笑

　　24.burst out crying / laughing 突然大哭/ 大笑

　　25.call at sp / call on sb / call up / call off / call out to / call for / call on sb to do 拜访某地/ 拜访某人/ 打电话/ 取消/ 大喊/ 叫来/ 号召某人做某事

　　26.carry out / work out / point out / find out 实现/ 做出/ 指出/ 查明

　　27.catch up with sb / keep up with sb / put up with sb 赶上某人/ 跟上某人/ 容忍某人

　　28.change sth into sth / exchange sth for sth 把……变成/ 交换

　　eg. Can you change this note into coins？ / 你能把这张纸币换成硬币吗？

　　eg. May I exchange this book for your new pen？ / 我能用这本书换你的新笔吗？

　　29.come into being / come to oneself / 形成/ 恢复意识

　　eg. The new system came into being in the late 19th century. / 这种新体制在十九世纪后期开始形成。

　　30.have sth in common with sb 和某人有共同点

　　eg. The twins have a lot of things in common with each other. / 孪生姐妹间有很多相似点。