one

1. NUM One is the number 1. 1

They had three sons and one daughter. 他们有3儿1女。

...one thousand years ago. …1000年以前。

NUM

1. ADJ 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. 惟一的[det ADJ] [强调]

They had alienated the one man who knew the business. 他们已经疏远了那个惟一懂这行的人。

2. DET One can be used instead of "a" to emphasize the following noun. 用来代替(a)，强调后接的名词[强调]

There is one thing I would like to know – What is it about Tim that you find so irresistible?

有一件事我想知道–蒂姆到底有什么让你觉得那么不可抗拒？

3. DET You can use one instead of "a" to emphasize the following adjective or expression. 用来代替(a)，强调后接的形容词或短语[非正式]

If we ever get married we'll have one terrific wedding. 如果我们结婚，我们会举办一场盛大的婚礼。

4. DET You can use one to refer to the first of two or more things that you are comparing. (表示与其他事物作比较) 这个

Prices vary from one shop to another. 各家商店价格不同。

5. ADJ One is also an adjective. 这个[det ADJ]

The one thing that she accomplished was raising money to update our facilities. 她完成的这项工作就是募集资金来更新我们的设备。

6. PRON One is also a pronoun. 这一个

The twins were dressed differently and one was thinner than the other. 这对双胞胎穿着各异，而且其中一个比另一个瘦。

7. PRON 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. 用来替代名词所指的很明确的人、物

They are selling their house to move to a smaller one. 他们要卖掉他们的房子，搬到一个小点的房子去住。

8. PRON You use ones to refer to people in general. 人们

We are the only ones who know. 我们是惟一知情的人。

9. PRON 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. 用以替代名词词组表示的刚提到的且要详细描述的事物[PRON 'of' n, PRON that]

The issue of land reform was one that dominated Hungary's parliamentary elections. 土地改革是一个左右匈牙利议会选举的问题。

10. DET 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. (特定的一群人或事物中的) 一个

"A college degree isn't enough," said one honours student. “只有一个大学的学位还不够，”一位优等生说。

11. PRON One is also a pronoun. 一个

Some of them couldn't eat a thing. One couldn't even drink. 他们中有些人一点东西都不能吃，有一人甚至连水都不能喝。

12. QUANT 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. (最…) 之一[QUANT 'of' adj-superl]

Subaru is one of the smallest Japanese car makers. 斯巴鲁是最小的日本汽车制造商之一。

13. DET 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. 某一个 (过去或将来的时间)

How would you like to have dinner one night, just you and me?

哪天晚上一起吃饭怎么样，就你和我？

14. one day→see day

15. PRON 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. 人们[正式]

If one looks at the bigger picture, a lot of positive things are happening. 如果人们从更宏观的角度看，许多积极的事情正在发生。

Where does one go from there?

人们从那儿能去哪里？

PRON

1. PHRASE 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. 就某人来说[强调]

I, for one, hope you don't get the job. 就我来说，我不希望你得到那份工作。

2. PHRASE 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. (表示强调) 很多[强调]

There are a hundred and one ways in which you can raise money. 有很多你可以筹钱的办法。

3. PHRASE 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. 集为一体

...a love story and an adventure all in one. …一个集爱情与冒险于一体的故事。

4. PHRASE You use one after the other or one after another to say that actions or events happen with very little time between them. 一个接一个地

My three guitars broke one after the other. 我的3把吉它一个接着一个地坏了。

5. PHRASE 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. (用在演出前的介绍中) 独一无二的

...one of the greatest ever rock performers, the one and only Tina Turner. …有史以来最伟大的摇滚歌手之一，举世无双的蒂纳·特纳。

6. PHRASE You can use one by one to indicate that people do things or that things happen in sequence, not all at the same time. 依次地

We went into the room one by one. 我们依次走进了房间。

7. PHRASE 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. 或者这个或者那个

One or other of the two women was wrong. 这两个妇女中总有一个错了。

8. PHRASE One or two means a few. 几个

We may make one or two changes. 我们可以作几处改变。

I've also sold one or two to a publisher. 我也卖了几个给一位出版商。

9. PHRASE If you try to get one up on someone, you try to gain an advantage over them. 略胜某人一筹

...the competitive kind who will see this as the opportunity to be one up on you. …那种会把这视为一次胜过你的机会的好胜者。

10. one another→see another

11. one thing after another→see another

12. of one mind→see mind

13. in one piece→see piece