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　　put down

　　① 放下：Once I started reading the mystery novel, I just couldn’t put it down. 一旦我开始读那本悬疑小说，就再也放不下了。

　　② 写下;记下：Please put down your name and address here. 请把您的姓名和地址写在这儿。

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　　run away from 逃走;躲避

　　The thief heard the noise and ran away quickly. 小偷听到声音，匆忙逃走了。

　　It’s irresponsible of you to run away from difficulties. 见了困难就躲是不负责的。

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　　take in

　　① 吸入;收留：

　　Trees take in carbon dioxide and give out oxygen. 树木吸收二氧化碳释放氧气。

　　He was homeless, so we took him in.

　　他无家可归，于是我们收留了他。

　　② 理解：It was several minutes before I could take in what he was saying. 过了好几分钟，我才理解他说的是什么。

　　③ 欺骗：She took me in completely with her story. 她用一番花言巧语完全把我骗住了。

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　　wear out

　　① 穿破;磨损：I’ve already worn out two pairs of shoes this year. 今年我已经穿破两双鞋了。

　　②(使) 疲乏;(使) 耗尽;(使) 厌倦：These birds are in danger of wearing themselves out by singing too much. 这些鸟因过度鸣叫面临着累坏自己的危险。

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　　break up

　　①(使) 破碎：The water was covered with ice, which couldsometimes break up without warning. 水面上覆盖着冰，这些冰有时会突然破碎。

　　② (使) (关系等) 破裂：I’m surprised to hear that Sue and Paul have broken up. 听到苏和保罗分手了我很惊讶。

　　They decided to break up their partnership. 他们决定结束合作关系。

　　③ 分解;分拆：break the company up into several smaller ones 把公司分拆成几家小公司

　　④ 驱散;解散：The police came running and broke up the crowd. 警察跑过来把人群驱散了。

　　26

　　bring about 引起;造成：

　　Science has brought about many changes in our lives. 科学给我们的生活带来了诸多变化。

　　27

　　bring up

　　① [常用于被动语态] 抚养;养育;教养：His father died when he was young, and he was brought up by his mother.在他年幼时父亲就去世了，他是由母亲抚养长大的。

　　② 提出 (讨论等)：Every time I bring the matter up, he changes the subject. 每当我提起这件事，他就会转移话题。

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　　build up

　　He has built (up) his business over the years. 这些年来他逐步建立起了自己的生意。

　　Outdoor activities are really helpful in building up my body and enriching my school life. 户外活动确实对我增强体质和丰富学校生活有益。

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　　carry out 实行;执行：

　　I had some difficulty in carrying out the plan. 实施这个计划我有些困难。

　　They just carried out the order as told. 他们只是按命令行事。

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　　come across

　　① 偶然遇到;碰见：When reading articles related to science, we often come across difficult or unfamiliar words. 读与科学相关的文章时，我们常常碰到难词或生词。

　　② 被理解：He spoke for a long time, but his meaning did not come across. 他讲了很久，但还是没有把意思讲明白。

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　　come up with 想出;提出;提供：

　　Our class came up with the idea to make better use of used materials. 我们班的同学提出了这一想法，以更好利用废旧材料。

　　They want to buy the house, but they couldn’t come up with the cash. 他们想买房，但是拿不出这笔现金。

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　　figure out 弄清楚;弄明白;计算出：

　　I couldn’t figure out what I had done to annoy my boss. 我不明白自己做了什么让老板生气。

　　Have you figured out how much the trip will cost? 旅行要花多少费用你算出来没有?

　　33

　　get down to 开始做;开始认真对待：

　　It’s time we got down to business. 我们该开始干正事了。

　　34

　　give away

　　① 送掉;分发 (奖品等)：The Students’ Union called on us to give away our used books to the students in the lower grades.学生会号召我们把用过的书送给低年级的学生。

　　② 泄露 (秘密);出卖：I will never give your secrets away again. 我绝不会再泄露你的秘密。

　　His accent gives him away as a southerner.他的口音让人听出他是南方人。

　　③ 放弃 (机会等);输掉：Would they give away their chance to win the game? 他们会放弃赢得比赛的机会吗?

　　We gave away two goals in the first half.上半场我们输了两个球。

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　　give up 放弃;让：

　　She decided to give up her job and start a coffee bar. 她决定辞去工作，开一家咖啡馆。

　　He gave up his seat to a pregnant woman. 他把座位让给了一位孕妇。

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　　lead to 致使;导致:

　　A lack of confidence can lead to a lot of suffering. 缺乏自信会导致很多痛苦。

　　Good habits always lead to high efficiency, while bad ones bring the opposite. 好习惯总是会带来高效率，而坏习惯则相反。

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　　leave out

　　① 遗漏;不包括：If you study in a systematic way, you won’t leave anything out. 如果你用系统的方法来学习，你就不会遗漏任何东西。

　　② 被忽视;觉得被冷落：New fathers often feel left out when baby arrives. 有了孩子后，初为人父者往往有一种被冷落的感觉。

　　38

　　live up to 不辜负;符合;履行：

　　He failed to live up to his parents’ expectations. 他辜负了父母的期望。

　　39

　　look up 抬头看;查阅：

　　She looked up from her books as I entered the room. 我进入房间时，她从书本上抬起头来看了看。

　　If there are words you do not understand, look them up in a dictionary. 如果有不懂的单词就查字典。

　　40

　　put away

　　① 把…收起;放好：Kids — will you put away your toys now?孩子们，现在把玩具收起来好吗?

　　② 储存…备用：We’re putting some money away for expenses.我们省下一笔钱来应付开销。