新世纪大学英语 Unit 4 Health 课件.ppt

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新世纪大学英语 Unit 4 Health 课件

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * guard against: to prevent sth. from happening In these circumstances he must guard against pessimism悲观主义. 暗箭难防。 Hidden arrows are difficult to guard against. We should take measures to guard against accidents. guard against disease guard against bad habits guard against suspicion Collocations: 预防疾病 杜绝陋习 避免嫌疑 Phrase: guard against * * undue: adj. more than is reasonable, suitable or necessary 不要过急地处理那个问题。 He tried to exercise an undue influence upon his colleagues. Many schools place undue emphasis on the proportion of students entering schools of a higher level. Mr. Smith pays undue attention to book learning and formal rules. Don’t treat the matter with undue haste. Word: undue * * cling: vi. to hold tightly; refuse to give up Small children cling to their mothers. As a people the Chinese cling strongly to tradition. 她坚定地抱着获救的希望。 She clung to the hope of being rescued. Cling to life and be scared of death. 贪生怕死。 Pattern: cling to … Word: cling * * suck: v. 1) take (liquid or air, etc.) into the mouth by using the lip muscles Bees suck honey from flowers. The old man was sucking at his pipe. 蚊子会吸我们的血。更糟的是,它会把毒注入我们的体内。 The mosquito will suck our blood. What’s even worse, it will inject poison into our bodies. Do not teach your grandmother to suck eggs. 用不着教你的祖母如何吸食鸡蛋。/不要班门弄斧。 Word: suck * * 3) to pull sb. or sth. with great power and force it into or out of a particular place He was sucked into a life of crime. I don’t want to get sucked into the conflict. Word: suck 2) to absorb Plants suck up moisture from the soil The cleverest students can suck up as much knowledge as teachers can give them. * * indifferent: adj. 1) not caring about or noticing; not interested in How can you be indifferent to the sufferings of starving people? It is quite indifferent to me whether you go or stay. 探险家们将征途上的危险置之度外。 The explorers were indifferent to dangers of the expeditio

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