it

pron.

1. （指提到过的或正在谈论的动物或事物）它
   used to refer to an animal or a thing that has already been mentioned or that is being talked about now
   1. ‘Where's your car?’ ‘It's in the garage.’
      “你的汽车在哪儿？”“在车库里。”
   2. Did you see it?
      你看见它了吗？
   3. Start a new file and put this letter in it.
      建立一个新档案，把这封信放进去。
   4. Look! It's going up that tree.
      瞧！它正在往那棵树上爬呢。
   5. We have $500. Will it be enough for a deposit?
      我们有500元。够不够作押金？
2. （指婴儿，尤指性别不详者）
   used to refer to a baby, especially one whose sex is not known
   1. Her baby's due next month. She hopes it will be a boy.
      她的孩子该下个月出生。她希望会是个男孩。
3. （指已知或正在发生的事实或情况）
   used to refer to a fact or situation that is already known or happening
   1. When the factory closes, it will mean 500 people losing their jobs.
      工厂如果关闭，就意味着500人要失业。
   2. Yes, I was at home on Sunday. What about it? (= Why do you ask?)
      是的，我星期天待在家里。怎么了？
   3. Stop it, you're hurting me!
      住手，你把我弄疼了！
4. （用以明确身份）
   used to identify a person
   1. It's your mother on the phone.
      是你母亲来的电话。
   2. Hello, Peter, it's Mike here.
      喂，彼得，我是迈克。
   3. Hi, it's me!
      嗨，是我！
   4. Was it you who put these books on my desk?
      是你把这些书放在我桌子上的吗？
5. （用作形式主语或形式宾语，而真正的主语或宾语在句末）
   used in the position of the subject or object of a verb when the real subject or object is at the end of the sentence
   1. Does it matter what colour it is?
      它是什么颜色重要吗？
   2. It's impossible to get there in time.
      不可能及时到达那里。
   3. It's no use shouting.
      喊也没有用。
   4. She finds it boring at home.
      她觉得待在家里无聊。
   5. It appears that the two leaders are holding secret talks.
      看来两位领导人正在进行密谈。
   6. I find it strange that she doesn't want to go.
      她居然不想去，我觉得奇怪。
6. （谈论时间、日期、距离、天气等时用作主语）
   used in the position of the subject of a verb when you are talking about time, the date, distance, the weather, etc.
   1. It's ten past twelve.
      现在十二点十分。
   2. It's our anniversary.
      今天是我们的周年纪念日。
   3. It's two miles to the beach.
      距离海滩两英里远。
   4. It's a long time since they left.
      他们已经离开很久了。
   5. It was raining this morning.
      今天上午在下雨。
   6. It's quite warm at the moment.
      现在天气相当暖和。
7. （谈论情况时用）
   used when you are talking about a situation
   1. If it's convenient I can come tomorrow.
      方便的话，我可以明天过来。
   2. It's good to talk.
      谈一谈很好。
   3. I like it here.
      我喜欢这里。
8. （强调句子的某部分）
   used to emphasize any part of a sentence
   1. It's Jim who's the clever one.
      就数吉姆聪明。
   2. It's Spain that they're going to, not Portugal.
      他们要去的是西班牙，不是葡萄牙。
   3. It was three weeks later that he heard the news.
      三个星期之后他才听到这个消息。
9. 正好是所需的；恰好
   exactly what is needed
   1. In this business, either you've got it or you haven't.
      在这件事上，你不是成功了就是失败了。

It is a third person singular pronoun. It is used as the subject or object of a verb, or as the object of a preposition. it 是第三人称单数代词，用作动词的主语、宾语或介词的宾语。


1. PRON-SING 它(指物体、动物或上文已提及的其他事物)
   You use it to refer to an object, animal, or other thing that has already been mentioned.
   1. He saw the grey Land-Rover down the bypass. It was more than a hundred yards from him...
      他看见那辆灰色的路虎越野车停在不远处的边道上,离他一百码开外。
   2. It's a wonderful city, really. I'll show it to you if you want...
      这真是一座很棒的城市,如果你愿意的话我领你看看。
   3. My wife has become crippled by arthritis. She is embarrassed to ask the doctor about it...
      我妻子因为患关节炎腿瘸了。她不好意思去向医生询问相关病情。
   4. I took a lot of convincing that parenthood was a good idea and I didn't think I'd be much use at it.
      很多人都劝我要个孩子好，但我觉得为人父母我真的不适合。
2. PRON-SING (指小孩或婴儿)它
   You use it to refer to a child or baby whose sex you do not know or whose sex is not relevant to what you are saying.
   1. She could, if she wanted, compel him, through a court of law, to support the child after it was born...
      如果她愿意,她可以通过法庭强制他在孩子出生以后抚养孩子。
   2. He threw the baby high in the air and it stopped crying.
      他把孩子向空中高高抛起,孩子就停止了哭闹。
3. PRON-SING (笼统指代刚描述过的情景)
   You use it to refer in a general way to a situation that you have just described.
   1. He was through with sports, not because he had to be but because he wanted it that way...
      他放弃了体育运动,不是因为被迫而是出于自愿。
   2. Antonia will not be jealous, or if she is, she will not show it.
      安东尼娅不会嫉妒,即便嫉妒,她也不会表现出来。
4. PRON-SING (用于某些名词、形容词、动词前说明对某情况的感受、观点)
   You use it before certain nouns, adjectives, and verbs to introduce your feelings or point of view about a situation.
   1. It was nice to see Steve again...
      再次见到史蒂夫真是太好了。
   2. It's a pity you never got married, Sarah...
      萨拉,你没结过婚真是遗憾啊。
   3. It's funny how you remember things...
      你回忆往事的方式真好笑。
   4. It's good of him to spare the time to visit at all...
      他能抽出时间过来看看真是不错。
   5. Is it possible he'll phone you?...
      他有可能给你打电话吗？
   6. He found it hard to work with a microphone pointing at him...
      他发觉对着麦克风他很难专心工作。
   7. I know it's a good idea to use dental floss...
      我知道用洁牙线是一个好主意。
   8. It's up to us to change things we don't like...
      能否改变那些我们不喜欢的事情取决于我们自己。
   9. It seems that you are letting things get you down.
      看上去你快要累趴下了。
5. PRON-SING (用于被动句中引出一个情况或事件)
   You use it in passive clauses which report a situation or event.
   1. It has been said that stress causes cancer...
      据说压力会引发癌症。
   2. Yesterday it was reported that a number of people had been arrested in the capital...
      昨天据报道有很多人在首都被捕。
   3. It was noted that within a year the incidence of illness had increased quite significantly.
      据观察一年之内发病率显著上升。
6. PRON-SING (与动词连用,作形式主语或宾语)
   You use it with some verbs that need a subject or object, although there is no noun that it refers to.
   1. Of course, as it turned out, three-fourths of the people in the group were psychiatrists...
      当然,结果是那群人中 3/4 是精神病学家。
   2. I like it here...
      我喜欢这里。
   3. We live in a world in which only the strongest can make it to the top.
      我们生活在这样一个世界里——只有最强的人才能爬得最高。
7. PRON-SING (用作 be动词的主语,指钟点、星期、日期)
   You use it as the subject of 'be', to say what the time, day, or date is.
   1. It's three o'clock in the morning...
      现在是凌晨 3 点整。
   2. It was a Monday, so she was at home...
      那天是星期一,因此她在家里。
   3. It's December 1989, in Las Vegas.
      那是 1989 年 12 月,在拉斯维加斯。
8. PRON-SING (用作系动词的主语，描述天气、光线或温度)
   You use it as the subject of a link verb to describe the weather, the light, or the temperature.
   1. It was very wet and windy the day I drove over the hill to Milland...
      那天风雨交加,我开车翻过小山去米兰德。
   2. It's getting dark. Let's go inside...
      天色暗下来了,我们进去吧。
   3. It was warm in the kitchen.
      厨房里真暖和。
9. PRON-SING (尤用于刚接通电话时询问、告知身份)
   You use it when you are telling someone who you are, or asking them who they are, especially at the beginning of a phone call. You also use it in statements and questions about the identity of other people.
   1. 'Who is it?' he called. — 'It's your neighbor.'...
      “是谁啊?”他问道。——“是你的邻居。”
   2. Hello Freddy, it's only me, Maxine.
      你好,弗蕾迪！是我,玛克辛。
10. PRON (与动词 be 连用，强调突出某物)
    When you are emphasizing or drawing attention to something, you can put that thing immediately after it and a form of the verb 'be'.
    1. It's really the poor countries that don't have an economic base that have the worst environmental records...
       确实是那些没有经济基础的穷国的环境记录最差。
    2. It was the country's rulers who devised this system...
       是该国的执政者创造了这一体制。
    3. It was I who found him there...
       是我发现了他在那里。
    4. It's my father they're accusing.
       他们指控的是我父亲。
11. PHRASE 并不是因为/不仅仅因为
    You use it in expressions such as it's not that or it's not simply that when you are giving a reason for something and are suggesting that there are several other reasons.
    1. It's not that I didn't want to be with my family...
       并不是我不想和家人在一起。
    2. It's not just that a gulf exists in living standards — there's a psychological ravine.
       不仅仅是生活水平上存在巨大差异，心理上也有鸿沟。
12. 自以为很了不起
    If you say that someone thinks they're it, you mean that they think they are better or more important than they really are.
13. if it wasn't for → see: See be

1. He saw the grey Land-Rover down the bypass. It was more than a hundred yards from him
   他看见那辆灰色的路虎越野车停在不远处的边道上，离他一百码开外。
2. It's a wonderful city, really. I'll show it to you if you want
   这真是一座很棒的城市，如果你愿意的话我领你看看。
3. My wife has become crippled by arthritis. She is embarrassed to ask the doctor about it
   我妻子因为患关节炎腿瘸了。她不好意思去向医生询问相关病情。
4. I took a lot of convincing that parenthood was a good idea and I didn't think I'd be much use at it.
   很多人都劝我要个孩子好，但我觉得为人父母我真的不适合。
5. She could, if she wanted, compel him, through a court of law, to support the child after it was born
   如果她愿意，她可以通过法庭强制他在孩子出生以后抚养孩子。
6. He threw the baby high in the air and it stopped crying.
   他把孩子向空中高高抛起，孩子就停止了哭闹。
7. He was through with sports, not because he had to be but because he wanted it that way
   他放弃了体育运动，不是因为被迫而是出于自愿。
8. Antonia will not be jealous, or if she is, she will not show it.
   安东尼娅不会嫉妒，即便嫉妒，她也不会表现出来。
9. It was nice to see Steve again
   再次见到史蒂夫真是太好了。
10. It's a pity you never got married, Sarah
    萨拉，你没结过婚真是遗憾啊。
11. It's funny how you remember things
    你回忆往事的方式真好笑。
12. It's good of him to spare the time to visit at all
    他能抽出时间过来看看真是不错。
13. Is it possible he'll phone you?
    他有可能给你打电话吗？
14. He found it hard to work with a microphone pointing at him
    他发觉对着麦克风他很难专心工作。
15. I know it's a good idea to use dental floss
    我知道用洁牙线是一个好主意。
16. It's up to us to change things we don't like
    能否改变那些我们不喜欢的事情取决于我们自己。
17. It seems that you are letting things get you down.
    看上去你快要累趴下了。
18. It has been said that stress causes cancer
    据说压力会引发癌症。
19. Yesterday it was reported that a number of people had been arrested in the capital
    昨天据报道有很多人在首都被捕。
20. It was noted that within a year the incidence of illness had increased quite significantly.
    据观察一年之内发病率显著上升。
21. Of course, as it turned out, three-fourths of the people in the group were psychiatrists
    当然，结果是那群人中3/4是精神病学家。
22. I like it here
    我喜欢这里。
23. We live in a world in which only the strongest can make it to the top.
    我们生活在这样一个世界里——只有最强的人才能爬得最高。
24. It's three o'clock in the morning
    现在是凌晨3点整。
25. It was a Monday, so she was at home
    那天是星期一，因此她在家里。
26. It was very wet and windy the day I drove over the hill to Milland
    那天风雨交加，我开车翻过小山去米兰德。
27. It's getting dark. Let's go inside
    天色暗下来了，我们进去吧。
28. 'Who is it?' he called. — 'It's your neighbor.'
    “是谁啊？”他问道。——“是你的邻居。”
29. It's really the poor countries that don't have an economic base that have the worst environmental records
    确实是那些没有经济基础的穷国的环境记录最差。
30. It's not that I didn't want to be with my family
    并不是我不想和家人在一起。

pron.

that is it

• 这 / 那是要点（或重要原因等）；正是这样
  this/that is the important point, reason, etc.
  1. That's just it─I can't work when you're making so much noise.
     原因就是这样——你那么吵，我没法工作。
• 这 / 那就是终结
  this/that is the end
  1. I'm afraid that's it─we've lost.
     我看完了——我们输了。

this is it

• （期待的事）就要发生了
  the expected event is just going to happen
  1. Well, this is it! Wish me luck.
     好了，要来的已经来了！祝我走运吧。
• 这就是要点
  this is the main point
  1. ‘You're doing too much.’ ‘Well, this is it. I can't cope with any more work.’
     “你太劳累了。”“哎，你说到点子上了。我什么事都再也干不了了。”

noun

1. the branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information

   Synonym:    information technology