one

number

det.

1. 一
   the number 1
   1. Do you want one or two?
      你要一个还是两个？
   2. There's only room for one person.
      只有一个人的空间。
   3. One more, please!
      请再来一个！
   4. a one-bedroomed apartment
      一间卧室的公寓房
   5. I'll see you at one (= one o'clock) .
      我一点钟见你。
2. （正式用语或表强调，用在hundred、thousand等或度量单位之前）一
   used in formal language or for emphasis before hundred , thousand , etc., or before a unit of measurement
   1. It cost one hundred and fifty pounds.
      那东西花了一百五十英镑。
   2. He lost by less than one second.
      他以不到一秒钟的差距输了比赛。
3. （表强调）单独一个，仅仅一个
   used for emphasis to mean ‘a single’ or ‘just one’
   1. There's only one thing we can do.
      我们能做的只有一件事。
4. （尤指一组中的）一个人，一件事物
   a person or thing, especially when they are part of a group
   1. One of my friends lives in Brighton.
      我的一个朋友住在布莱顿。
   2. One place I'd really like to visit is Bali.
      我真正想去的一个地方就是巴厘岛。
5. （表强调）唯一的一个，最重要的一个
   used for emphasis to mean ‘the only one’ or ‘the most important one’
   1. He's the one person I can trust.
      他是我唯一可以信赖的人。
   2. Her one concern was for the health of her baby.
      她唯一操心的就是孩子的健康。
   3. It's the one thing I can't stand about him.
      这是我最不能容忍他的一件事。
6. （用于一般地谈论过去或将来的某个时间）
   used when you are talking about a time in the past or the future, without actually saying which one
   1. I saw her one afternoon last week.
      我在上周的一个下午见到了她。
   2. One day (= at some time in the future) you'll understand.
      总有一天你会明白的。
7. 同一个
   the same
   1. They all went off in one direction.
      他们都朝同一个方向走了。
8. （代替a或an，表示强调）
   used for emphasis instead of a or an
   1. That was one hell of a game!
      那一场比赛简直一塌糊涂！
   2. She's one snappy dresser.
      她的穿着很入时。
9. （与人名连用，表示说话人不认识的人）某一个
   used with a person's name to show that the speaker does not know the person
   1. He worked as an assistant to one Mr Ming.
      他给一位明先生当助手。

pron.

1. （用来避免重复已提过的或是听者已知的事物的名称）
   used to avoid repeating a noun, when you are referring to sb/sth that has already been mentioned, or that the person you are speaking to knows about
   1. I'd like an ice cream. Are you having one, too?
      我想买份冰激凌，你也要一份吗？
   2. Our car's always breaking down. But we're getting a new one soon.
      我们的汽车老出毛病。但我们快要买新的了。
   3. She was wearing her new dress, the red one.
      她穿着她的新衣服，那件红的。
   4. My favourite band? Oh, that's a hard one (= a hard question) .
      我最喜爱的乐队？哦，这可就难说了。
   5. What made you choose the one rather than the other?
      你怎么选了这个而不是那个？
   6. How about those ones over there?
      你看那边那些怎么样？
2. （用于辨别所谈的人或事）
   used when you are identifying the person or thing you are talking about
   1. Our house is the one next to the school.
      我家的房子就是学校旁边的那座。
   2. The students who are most successful are usually the ones who come to all the classes.
      成绩最好的学生往往是出全勤的那些。
3. 其中的一个人（或事物）
   a person or thing belonging to a particular group
   1. It's a present for one of my children.
      这是送给我的一个孩子的礼物。
   2. We think of you as one of the family.
      我们把你看作家中的一员。
4. （某类人中的）一个
   a person of the type mentioned
   1. 10 o'clock is too late for the little ones .
      十点钟对那些小家伙来说就太晚了。
   2. He ached to be home with his loved ones .
      他渴望着回家与亲人团聚。
   3. She was never one to criticize.
      她是个从不爱批评人的人。
5. 人们；本人
   used to mean ‘people in general’ or ‘I’, when the speaker is referring to himself or herself
   1. One should never criticize if one is not sure of one's facts.
      一个人如果对自己掌握的事实没有把握，就绝不该随便批评。
   2. One gets the impression that they disapprove.
      本人的印象是，他们不赞成。
6. （举止）有趣的人，令人惊奇的人
   a person whose behaviour is amusing or surprising
   1. Oh, you are a one!
      哈！你这个活宝！
7. 玩笑；笑话
   the joke
   1. Have you heard the one about the Englishman, the Irishman and the Scotsman?
      你听没听过那个关于英格兰人、爱尔兰人和苏格兰人的笑话？

1. NUM （数字）1
   One is the number 1.
   1. They had three sons and one daughter.
      他们有3个儿子，1个女儿。
   2. ...one thousand years ago...
      1,000年前
   3. Scotland beat England one-nil at Wembley.
      苏格兰队在温布利球场以1比0击败了英格兰队。
   4. ...one of the children killed in the crash.
      死于撞车事故的其中一个孩子
2. ADJ 唯一的；仅有的
   If you say that someone or something is the one person or thing of a particular kind, you are emphasizing that they are the only person or thing of that kind.
   1. They had alienated the one man who knew the business...
      他们弄僵了同那个唯一懂行的人之间的关系。
   2. His one regret is that he has never learned a language.
      他唯一的遗憾是从未学过一门外语。
3. DET （用于代替a以强调之后的名词）
   One can be used instead of 'a' to emphasize the following noun.
   1. There is one thing I would like to know—What is it about Tim that you find so irresistible?...
      有一件事我很想知道——蒂姆到底哪一点让你对他如此倾心？
   2. One person I hate is Russ.
      让我讨厌的一个人是拉斯。
4. DET （用于代替a以强调之后的形容词或短语）
   You can use one instead of 'a' to emphasize the following adjective or expression.
   1. If we ever get married we'll have one terrific wedding...
      如果我们哪一天结婚的话，一定会有一个棒极了的婚礼。
   2. It's like one enormous street carnival here.
      这就像是一场盛大的街头狂欢节。
5. DET （用于人名前，表示未曾相识或听闻的）某一个
   You can use one in front of someone's name to indicate that you have not met them or heard of them before.
   1. It seems that the fifth man is one John Cairncross.
      第五位好像是一个名叫约翰·凯恩克罗斯的人。
6. DET （表示与其他的作比较）这一个
   You can use one to refer to the first of two or more things that you are comparing.
   1. Prices vary from one shop to another...
      各家商店价格不同。
   2. The road hugs the coast for hundreds of miles, the South China Sea on one side, jungle on the other.
      这条路依傍海岸绵延数百英里，一边是南中国海，另一边则是丛林。
   3. One is also an adjective.
      
   4. We ask why peace should have an apparent chance in the one territory and not the other.
      我们会问为什么一方领土上和平在望而另一方却看不到光明。
   5. One is also a pronoun.
      
   6. The twins were dressed differently and one was thinner than the other.
      这对双胞胎穿着不同，而且其中一个偏瘦一点。
7. PRON （用于代替名词，指代某类明确的人或事物）
   You can use one or ones instead of a noun when it is clear what type of thing or person you are referring to and you are describing them or giving more information about them.
   1. They are selling their house to move to a smaller one...
      他们正打算卖掉房子，然后搬到一个小一点的住处。
   2. We test each one to see that it flies well.
      我们对每架飞机都会进行测试，以确保其飞行性能良好。
8. PRON （泛指）人们
   You use ones to refer to people in general.
   1. We are the only ones who know.
      我们是唯一的知情者。
9. PRON （用于代替名词词组，表示刚提到过的事物）
   You can use one instead of a noun group when you have just mentioned something and you want to describe it or give more information about it.
   1. His response is one of anger and frustration...
      他的回答充满了愤怒和懊丧。
   2. The issue of land reform was one that dominated Hungary's parliamentary elections.
      土地改革是左右匈牙利议会选举的主要问题。
10. DET （特指一群人或事物中的）一人，一个
    You can use one when you have been talking or writing about a group of people or things and you want to say something about a particular member of the group.
    1. 'A college degree isn't enough', said one honors student.
       “光有一个大学学位还不够，”一位优等生说。
    2. One is also a pronoun.
       
    3. Some of them couldn't eat a thing. One couldn't even drink.
       他们中的一些人无法进食，其中一个甚至连水都喝不了。
11. QUANT （同类事物或人中）（最…之）一
    You use one in expressions such as 'one of the biggest airports' or 'one of the most experienced players' to indicate that something or someone is bigger or more experienced than most other things or people of the same kind.
    1. Subaru is one of the smallest Japanese car makers.
       斯巴鲁是日本最小的汽车制造商之一。
12. 哪天晚上一起吃饭怎么样？就咱俩。 → see: How would you like to have dinner one night, just you and me?...
13. PRON （指代问题、笑话、评论、讨论的主题等）一个
    You can use one to refer to a question, joke, remark, or subject of discussion.
    1. This is a tricky one to answer...
       这是个难以回答的问题。
    2. Have you heard the one about the Irishman, the Englishman and the American?...
       你听过那个关于爱尔兰人、英国人和美国人的笑话吗？
    3. I told him I'd have to think about that one.
       我告诉他那个问题我必须考虑一下。
14. PRON (一杯)酒
    You can use one to refer to an alcoholic drink.
    1. Other members of the committee drifted in for a quick one before closing time.
       委员会的其他成员陆续走了进来，想要趁关门前喝上一杯。
15. PRON （泛指包括自己的人，可作句子的主语或宾语）一个人，任何人
    You use one to make statements about people in general which also apply to themselves. One can be used as the subject or object of a sentence.
    1. If one looks at the longer run, a lot of positive things are happening...
       如果把目光放长远些，就会发现很多积极的事情正在发生。
    2. Where does one go from there?...
       从那里可以去什么地方？
    3. Shares and bonds can bring one quite a considerable additional income.
       股票和债券能给人带来不菲的额外收入。

One or you is used when making statements that are true of any individual person. One is more formal than you. I suppose one can't blame him... A crisis can make you stop and take a look at your life. People is used to talk about everyone in general, or about a particular group. ...the amount of bread people buy... Don't go on about it. People may get embarrassed.
表达某些情况适用于任何一个人时，用 one 或 you，但 one 比 you 更正式，如：I supposed one can't blame him（我想人们无法责怪他），A crisis can make you stop and take a look at your life（一场危机能使你停下来，反思自己的人生）。people 用于泛指每个人或某一群人，如：the amount of bread people buy (人们购买面包的量)，Don't go on about it. People may get embarrassed (别没完没了地讲这件事，大家会很尴尬的)。

16. PHRASE 一起；一致地
    If a group of people does something as one, all the people do the same thing at the same time or in the same way.
    1. The 40,000 crowd rose as one.
       40,000人全体起立。
17. PHRASE 喜欢（或赞成、乐于）…的人
    If you say that someone is one for or is a one for something, you mean that they like or approve of it or enjoy doing it.
    1. I'm not one for political discussions...
       我不是个热衷于谈论政治的人。
    2. She was a real one for flirting with the boys.
       她是个情场高手。
18. PHRASE （强调某人与众不同的反应或行为方式）举个例说
    You can use for one to emphasize that a particular person is definitely reacting or behaving in a particular way, even if other people are not.
    1. I, for one, hope you don't get the job.
       就我而言，我并不希望你得到那份工作。
19. PHRASE （表示强调）很多
    You can use expressions such as a hundred and one ,a thousand and one, and a million and one to emphasize that you are talking about a large number of things or people.
    1. There are a hundred and one ways in which you can raise money.
       筹钱的办法有很多。
20. PHRASE 集（若干部分或功能）为一体
    You can use in one to indicate that something is a single unit, but is made up of several different parts or has several different functions.
    1. ...a love story and an adventure all in one...
       集爱情和冒险于一体的故事
    2. This cream moisturises and repairs in one.
       这种护肤霜兼具滋润和修复功能。
21. PHRASE 三三两两地；零零落落地
    You can use in ones and twos to indicate that people do things or something happens gradually and in small groups.
    1. They lose interest and start drifting away in ones and twos.
       他们没了兴趣，开始三三两两地走开了。
22. PHRASE 一个接一个地；接连地；陆续地
    You use one after the other or one after another to say that actions or events happen with very little time between them.
    1. My three guitars broke one after the other...
       我的3把吉他陆续都坏了。
    2. One after another, people described how hard it is for them to get medical care.
       人们一个接一个地讲述获得医疗保健服务对于他们是何其困难。
23. PHRASE （用于节目中介绍演员、歌手或其他名人）绝无仅有的，独一无二的
    The one and only can be used in front of the name of an actor, singer, or other famous person when they are being introduced on a show.
    1. ...one of the greatest ever rock performers, the one and only Tina Turner.
       史上最伟大的摇滚乐手之一，举世无双的蒂娜·特纳
24. PHRASE 逐个地；依次地
    You can use one by one to indicate that people do things or that things happen in sequence, not all at the same time.
    1. We went into the room one by one...
       我们挨个儿走进房间。
    2. One by one the houses burst into flames.
       房子一幢接一幢地燃起熊熊大火。
25. PHRASE （一组事物或人之中的）或者这个或者那个，有一个
    You use one or other to refer to one or more things or people in a group, when it does not matter which particular one or ones are thought of or chosen.
    1. One or other of the two women was wrong.
       这两个女人当中有一个人错了。
26. PHRASE 一两个；几个
    One or two means a few.
    1. We may make one or two changes...
       我们可以作一两处改动。
    2. I've also sold one or two to an American publisher...
       我还卖了几本给一位美国出版商。
    3. I asked one or two of the stallholders about it.
       我向一两个摊贩打听了此事。
27. PHRASE 不大可能（做…)的人
    If you say that someone is not one to do something, you think that it is very unlikely that they would do it because it is not their normal behaviour.
    1. I'm not one to waste time on just anyone.
       我可不是个随便浪费时间在任何人身上的人。
28. PHRASE 略胜…一筹；占…的上风
    If you try to get one up on someone, you try to gain an advantage over them.
    1. ...the competitive kind who will see this as the opportunity to be one up on you.
       具有竞争意识、将此视作占据上风的契机的那种人
29. one and all → see: all

1. They had three sons and one daughter.
   他们有3个儿子，1个女儿。
2. They had alienated the one man who knew the business
   他们弄僵了同那个唯一懂行的人之间的关系。
3. His one regret is that he has never learned a language.
   他唯一的遗憾是从未学过一门外语。
4. There is one thing I would like to know — What is it about Tim that you find so irresistible?
   有一件事我很想知道——蒂姆到底哪一点让你对他如此倾心？
5. One person I hate is Russ.
   让我讨厌的一个人是拉斯。
6. If we ever get married we'll have one terrific wedding
   如果我们哪一天结婚的话，一定会有一个棒极了的婚礼。
7. It's like one enormous street carnival here.
   这就像是一场盛大的街头狂欢节。
8. It seems that the fifth man is one John Cairncross.
   第五位好像是一个名叫约翰·凯恩克罗斯的人。
9. Prices vary from one shop to another
   各家商店价格不同。
10. The road hugs the coast for hundreds of miles, the South China Sea on one side, jungle on the other.
    这条路依傍海岸绵延数百英里，一边是南中国海，另一边则是丛林。
11. They are selling their house to move to a smaller one
    他们正打算卖掉房子，然后搬到一个小一点的住处。
12. We are the only ones who know.
    我们是唯一的知情者。
13. His response is one of anger and frustration
    他的回答充满了愤怒和懊丧。
14. 'A college degree isn't enough', said one honors student.
    “光有一个大学学位还不够，”一位优等生说。
15. Subaru is one of the smallest Japanese car makers.
    斯巴鲁是日本最小的汽车制造商之一。
16. How would you like to have dinner one night, just you and me?
    哪天晚上一起吃饭怎么样？就咱俩。
17. This is a tricky one to answer
    这是个难以回答的问题。
18. Other members of the committee drifted in for a quick one before closing time.
    委员会的其他成员陆续走了进来，想要趁关门前喝上一杯。
19. If one looks at the longer run, a lot of positive things are happening
    如果把目光放长远些，就会发现很多积极的事情正在发生。
20. The 40,000 crowd rose as one.
    40,000人全体起立。
21. I'm not one for political discussions
    我不是个热衷于谈论政治的人。
22. I, for one, hope you don't get the job.
    就我而言，我并不希望你得到那份工作。
23. There are a hundred and one ways in which you can raise money.
    筹钱的办法有很多。
24. This cream moisturises and repairs in one.
    这种护肤霜兼具滋润和修复功能。
25. They lose interest and start drifting away in ones and twos.
    他们没了兴趣，开始三三两两地走开了。
26. My three guitars broke one after the other
    我的3把吉他陆续都坏了。
27. We went into the room one by one
    我们挨个儿走进房间。
28. One or other of the two women was wrong.
    这两个女人当中有一个人错了。
29. We may make one or two changes
    我们可以作一两处改动。
30. I'm not one to waste time on just anyone.
    我可不是个随便浪费时间在任何人身上的人。

  a (an) one【导航词义：一个】

  a (an) indef. art. 一个

〔辨析〕通常用于单数可数名词之前，泛指某类人或事物中的一个。

  one num. 一，一个

〔辨析〕强调数量的概念，说明是一个而不是两个或三个。

det.

as one

• 一致；一齐
  in agreement; all together
  1. We spoke as one on this matter.
     在这个问题上我们口径一致。

(be) at one (with sb/sth)

• 完全一致；是…的一部分
  to feel that you completely agree with sb/sth, or that you are part of sth
  1. a place where you can feel at one with nature
     一个你能感到与大自然融为一体的地方

for one

• 就是其中之一（表达意见时用以加强语气）
  used to emphasize that a particular person does sth and that you believe other people do too
  1. I, for one, would prefer to postpone the meeting.
     主张推迟会期的，我就是一个。

get sth in one

• 立即明白（或猜到）
  to understand or guess sth immediately

get one over (on) sb/sth

• 占上风；胜过；占优势
  to get an advantage over sb/sth
  1. I'm not going to let them get one over on me!
     我决不让他们胜过我！

go one better (than sb/sth)

• 胜人一筹；（比自己过去）做得更好
  to do sth better than sb else or than you have done before
  1. She did well this year and next year she hopes to go one better.
     今年她干得不错，她希望明年更上一层楼。

in one

• 集于一身（或一体）；多功能；多用途
  used to say that sb/sth has different roles, contains different things or is used for different purposes
  1. She's a mother and company director in one.
     她既是母亲又是公司董事。
  2. It's a public relations office, a press office and a private office all in one .
     那儿既是公关办公室，也是新闻办公室，又是私人办公室：三位一体。

one after another/the other

• 一个接一个地；陆续地；络绎不绝地
  first one person or thing, and then another, and then another, up to any number or amount
  1. The bills kept coming in, one after another.
     账单纷至沓来。

one and all

• 各位；大家；每个人
  everyone
  1. Happy New Year to one and all!
     祝各位新年快乐！

one and only

• 绝无仅有的；唯一的；有名的
  used to emphasize that sb is famous
  1. Here he is, the one and only Van Morrison!
     他来了，这盖世无双的范∙莫里森！

one and the same

• （表示强调）同一个
  used for emphasis to mean ‘the same’
  1. I never realized Ruth Rendell and Barbara Vine were one and the same (= the same person using two different names) .
     我从未意识到鲁思∙兰德尔和芭芭拉∙瓦因原来是同一个人。

one by one

• 逐个地；逐一地
  separately and in order
  1. I went through the items on the list one by one.
     我逐条看了清单上的条目。

one or two

• 一些；一二
  a few
  1. We've had one or two problems─nothing serious.
     我们有一些问题，不过没什么大不了的。

one up (on sb)

• 略胜一筹；强过（某人）
  having an advantage over sb

when you've seen, heard, etc. one, you've seen, heard, etc. them all

• 所有的…都大同小异；知其一便知其全部
  used to say that all types of the things mentioned are very similar
  1. I don't like science fiction novels much. When you've read one, you've read them all.
     我不太喜欢科幻小说。读过一本，就知道其他的内容了。

all in one

• 多功能；多用途
  having two or more uses, functions, etc.
  1. It's a corkscrew and bottle-opener all in one.
     这是一物多用，既是瓶塞钻，又是开瓶器。

be in a minority of one

• 是唯一持不同意见者；是唯一投此票者
  to be the only person to have a particular opinion or to vote a particular way

back to square one

• （因无进展）回到起点，从头再来
  a return to the situation you were in at the beginning of a project, task, etc., because you have made no real progress
  1. If this suggestion isn't accepted, we'll be back to square one.
     如果这个建议得不到采纳，我们就得从头再来了。

pron.

be (a) one for (doing) sth

• 乐于（或长于）做某事的人
  to be a person who enjoys sth, or who does sth often or well
  1. I've never been a great one for fish and chips.
     我从来不是个好吃炸鱼薯条的人。

noun

1. a single person or thing
   1. he is the best one
   2. this is the one I ordered

2. the smallest whole number or a numeral representing this number
   1. he has the one but will need a two and three to go with it
   2. they had lunch at one

   Synonym:    1Iacesingleunity

adj

1. being a single entity made by combining separate components
   1. three chemicals combining into one solution

2. used of a single unit or thing
   1. `ane' is Scottish

   Synonym:    1iane