I really feel...that I got lucky beacuse any sense of security pulled out from under of me. So I was forced to look forward. I had to...there was no going back. And I reached a point where I just thought "I'm gonna work as hard as I can, and see what happened".

——Homeless to Harvard: The Liz Murray Story

我非常幸運(yùn)的是……我心中所有的安全感被身體拋棄，我不得不向前看，我必須向前看，沒(méi)有后退的路。然后我找到了一種狀態(tài)：“好吧，我要盡我所能的工作，看會(huì)發(fā)生些什么？”?

——《風(fēng)雨哈佛路》

一、你知道security有幾種含義嗎？

n.

1.安全，安全感 [U]?the quality or state of being secure

Two guards looked after the security of the property.

兩個(gè)警衛(wèi)看管財(cái)產(chǎn)的安全。

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2.防備，保安；防護(hù)，防御（措施） [U,C]?something given, deposited, or pledged to make certain the fulfillment of an obligation

They tightened security during the President's visit.

他們?cè)诳偨y(tǒng)訪問(wèn)期間加強(qiáng)了安全防衛(wèi)。

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3.保證；保障；擔(dān)保（品） [U,C]?an instrument of investment in the form of a document (as a stock certificate or bond) providing evidence

A man's own good-breeding is his best security against other people's ill manners.

自身教養(yǎng)好是抵制他人無(wú)禮的最好保證。

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4.證券，債券 [C]??documents proving that sb is the owner of shares

Every kind of fixed-interest bearing security is a promise to pay certain sums of money in the future.

每一種帶有固定利息的證券都是種在將來(lái)付給一定數(shù)額貨幣的允諾。

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二、含有security的常見(jiàn)短語(yǔ)

social security

社會(huì)福利事業(yè),社會(huì)保險(xiǎn)制度

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government security

政府證券

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security interest

擔(dān)保物權(quán)

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unlisted security

非上市證券，未掛牌證券

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collective security

n. 集體安全

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三、學(xué)會(huì)security的用法了嗎？來(lái)做個(gè)填詞游戲吧

It's your duty to superintend the ______ affairs.

主管安全保衛(wèi)工作是你的職責(zé)。