It is the duty of the police to preserve public order.(警察的责任是维护公共秩 序。) The ancient Egyptians knew ways to preserve dead bod ies from decay.(古埃及人 懂得保存尸体的方法。) 8. sell out: be disloyal or unfaithful to one' s principles背叛原则,出卖朋友 He was a good writer, but he sold out and now just writes for money.(他曾经是 个不错的作家,但他出卖原则,现在只为金钱而写作。 9. at hand: near in place or time在手边,在近处;即将到来 When he writes, he always keeps a dictionary close at hand.(他写作时,总是把 本字典放在手边。) Our National Day is at hand.(我们的国庆日就要到了。) 10. demand sth.ofsb: need in order to be successful需要,要求某人…(努力、勤 劳等) Work of this nature demands personal sacrifices of those who embark on it. (it 种性质的工作要求个人做出许多牺牲。) 11. stand for; have as a set of aims or principles; support支持,主张,拥护 Before we vote for him, we want to know what he stands for.(在我们投他的票 之前,我们想知道他主张什么。) The Republic party of China stands for the interests of the broad masses of the people.(中国共产党代表广大人民的利益。) I wouldn' t stand for that sort of treatment if I were you.(如果我是你,我就不 能容忍那种待遇。) 12. in the face of: in spite of尽管面临 In the face of difficulties and hardships, she managed to keep her sense of humor (面对着极大的苦难,她仍设法保持了幽默感。) In the face of death, the general remained calm and cool, showing no sign of fear (面对死亡,将军保持平静,没有一点恐惧的表现。) 13. account for: give a satisfactory explanation for解释…的原因,对…作出解释 The suspect couldn' t account for his time that night.(嫌疑犯不能说明那天晚上 他的时间安排。) How do you account for losing five games in a row?(你如何解释一连输了五场 比赛呢?) There is no accounting for tastes.(人各有所好。) North Sea oil accounts for a high proportion of our export earnings.(北海石油占 我国出口收入的很大一部分。) 14. back down: admit that one was wrong; accept defeat in an argument, opinion, or claim放弃论点、意见、要求,让步 The opponents refused to back down.(对方不愿让步。) Since most of the people present agreed with her, I had to back down.(大多数到 会的人都同意她的意见,我只好放弃原来的意见了。) 15. win the day: be successfu; gain victory成功,胜利 In the end, the arguments of the environmentalists won the day.(最终,环保论 者的观点胜利了。) Their persuasiveness will win the day.(他们的劝告将会成功。)It is the duty of the police to preserve public order. （警察的责任是维护公共秩 序。） The ancient Egyptians knew ways to preserve dead bodies from decay. （古埃及人 懂得保存尸体的方法。） 8. sell out: be disloyal or unfaithful to one’s principles 背叛原则，出卖朋友 He was a good writer, but he sold out and now just writes for money. （他曾经是 个不错的作家，但他出卖原则，现在只为金钱而写作。） 9. at hand: near in place or time 在手边，在近处；即将到来 When he writes, he always keeps a dictionary close at hand. （他写作时，总是把 一本字典放在手边。） Our National Day is at hand. （我们的国庆日就要到了。） 10. demand sth. of sb.: need in order to be successful 需要，要求某人…（努力、勤 劳等） Work of this nature demands personal sacrifices of those who embark on it. （这 种性质的工作要求个人做出许多牺牲。） 11. stand for: have as a set of aims or principles; support 支持，主张，拥护 Before we vote for him, we want to know what he stands for. （在我们投他的票 之前，我们想知道他主张什么。） The Republic Party of China stands for the interests of the broad masses of the people. （中国共产党代表广大人民的利益。） I wouldn’t stand for that sort of treatment if I were you. （如果我是你，我就不 能容忍那种待遇。） 12. in the face of: in spite of 尽管面临 In the face of difficulties and hardships, she managed to keep her sense of humor. （面对着极大的苦难，她仍设法保持了幽默感。） In the face of death, the general remained calm and cool, showing no sign of fear. （面对死亡，将军保持平静，没有一点恐惧的表现。） 13. account for: give a satisfactory explanation for 解释…的原因，对…作出解释 The suspect couldn’t account for his time that night. （嫌疑犯不能说明那天晚上 他的时间安排。） How do you account for losing five games in a row? （你如何解释一连输了五场 比赛呢？） There is no accounting for tastes. （人各有所好。） North Sea oil accounts for a high proportion of our export earnings. （北海石油占 我国出口收入的很大一部分。） 14. back down: admit that one was wrong; accept defeat in an argument, opinion, or claim 放弃论点、意见、要求，让步 The opponents refused to back down. （对方不愿让步。） Since most of the people present agreed with her, I had to back down. （大多数到 会的人都同意她的意见，我只好放弃原来的意见了。） 15. win the day: be successful; gain victory 成功，胜利 In the end, the arguments of the environmentalists won the day. （最终，环保论 者的观点胜利了。） Their persuasiveness will win the day. （他们的劝告将会成功。）