形容词

代词

夜生活

财政金融

财政金融

1. （数字）1
One is the number
1.

2. 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.

3. （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.

4. （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.

5. （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.

6. （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.

7. （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.

8. （泛指）人们
You use ones to refer to people in general.

9. （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.

10. （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.

11. （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.

12. （过去或将来的）某一（时刻）
You can use one when referring to a time in the past or in the future. For example, if you say that you did something one day, you mean that you did it on a day in the past.

13. （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.

14. (一杯)酒
You can use one to refer to an alcoholic drink.

15. （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.

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)。

1. a single person or thing

e.g. he is the best one
this is the one I ordered

2. the smallest whole number or a numeral representing this number

e.g. he has the one but will need a two and three to go with it
they had lunch at one

Synonym: 1Iacesingleunity