1. know one's business : 精通自己一行；
2. on business : 因公；
3. go into business : 从事商业；
4. go out of business : 歇业；
1. business的解释
1. Business before pleasure.
正事要紧。
名词
1. Business has been bad this year.
今年生意很糟糕。
2. He has a business in the town.
他在城里有一家商店。
3. It's a teacher's business to make children learn.
使学生学习是老师的责任。
4. business的解释
4. Mr.Jones is in the business of selling cars.
琼斯先生从事汽车销售。
1. 商业；买卖；交易；生意
Business is work relating to the production, buying, and selling of goods or services.
e.g. ...young people seeking a career in business...
涉足商界的年轻人
e.g. Jennifer has an impressive academic and business background.
珍妮弗有着让人印象深刻的学术和商务背景。
2. 业务量；营业额
Business is used when talking about how many products or services a company is able to sell. If business is good, a lot of products or services are being sold and if business is bad, few of them are being sold.
e.g. They worried that German companies would lose business...
他们担心德国公司的业务量会下滑。
e.g. Business is booming.
生意蒸蒸日上。
3. 工商企业；公司；商店；商铺
A business is an organization which produces and sells goods or which provides a service.
e.g. The company was a family business...
这家公司是个家族企业。
e.g. The majority of small businesses go broke within the first twenty-four months...
大多数小企业在开张后的24个月内就倒闭了。
4. 任务；职责；工作
Business is work or some other activity that you do as part of your job and not for pleasure.
business的近义词
e.g. I'm here on business...
我到这儿来办公事。
e.g. You can't mix business with pleasure.
你不能把工作和娱乐搅在一起。
5. 行业；（某一领域的）工作
You can use business to refer to a particular area of work or activity in which the aim is to make a profit.
e.g. May I ask you what business you're in?
我可否问问你是做什么工作的？
e.g. ...the music business.
音乐界
6. 眼前所做之事；手头的事
You can use business to refer to something that you are doing or concerning yourself with.
business
e.g. ...recording Ben as he goes about his business...
录下本在处理事务时的镜头片断
e.g. There was nothing left for the teams to do but get on with the business of racing.
这些队除了继续参加赛跑比赛，没有什么别的事可做。
7. （需要处理的）重要事情，要点
You can use business to refer to important matters that you have to deal with.
e.g. The most important business was left to the last...
最重要的事留到最后来解决。
e.g. I've got some unfinished business to attend to.
我还有一些未完的事要处理。
8. 个人的事；私事
If you say that something is your business, you mean that it concerns you personally and that other people have no right to ask questions about it or disagree with it.
e.g. My sex life is my business...
我的性生活是我自己的事。
e.g. If she doesn't want the police involved, that's her business...
如果她不想让警方介入，那是她自己的事。
9. 事件；情况；活动
You can use business to refer in a general way to an event, situation, or activity. For example, you can say something is 'a wretched business' or you can refer to 'this assassination business'.
business
e.g. We have sorted out this wretched business at last...
我们最终还是把这件破事儿理顺了。
e.g. This whole business is very puzzling.
这件事从头到尾都很让人费解。
10. （令人不快或耗费钱财的）活儿，事情
You can use business when describing a task that is unpleasant in some way. For example, if you say that doing something is a costly business, you mean that it costs a lot.
e.g. Coastal defence is a costly business...
海防事务很耗费资财。
e.g. Parenting can be a stressful business.
为人父母会是一件压力很大的事。
11. see also: big business;show business
12. 做买卖；做生意
If two people or companies do business with each other, one sells goods or services to the other.
e.g. I was fascinated by the different people who did business with me.
我对那些跟我做生意的形形色色的人非常感兴趣。
13. 无权；没有理由
If you say that someone has no business to be in a place or to do something, you mean that they have no right to be there or to do it.
e.g. Really I had no business to be there at all.
真的，我根本没有道理呆在那里。
14. 在经营中
A company that is in business is operating and trading.
e.g. You can't stay in business without cash.
没有现金，你无法运营。
15. 万事俱备
If you say you are in business, you mean you have everything you need to start something immediately.
e.g. All you need is a microphone, and you're in business.
再来一只麦克风，你就万事俱备了。
16. 当真的；严肃的
If you say that someone means business, you mean they are serious and determined about what they are doing.
business在线翻译
e.g. Now people are starting to realise that he means business.
人们现在才开始明白他不是在开玩笑。
17. 没你的事；少管闲事
If you say to someone 'mind your own business' or 'it's none of your business', you are rudely telling them not to ask about something that does not concern them.
e.g. I asked Laura what was wrong and she told me to mind my own business.
我问劳拉发生了什么事，她让我少管闲事。
18. 决定做
If you make it your business to do something, you decide to do it, because you are interested in it or because you want to find out something.
business的翻译
e.g. She made it her business to find out.
她决定要查明真相。
19. 是不会（做）…的；才不会（做）
If you say that you are not in the business of doing something, you are emphasizing that you do not do it, usually when you are annoyed or surprised that someone thinks you do.
e.g. We are not in the business of subsidising scroungers.
我们是不会资助那些乞丐的。
20. 停业；破产
If a shop or company goes out of business or is put out of business, it has to stop trading because it is not making enough money.
business的解释
e.g. Thousands of firms could go out of business.
成千上万个企业可能破产。
21. 同类中最好的
If you say that someone or something is the business, you mean that they are the best of their kind.
business
e.g. When you watch him in training, you realise that this lad is the business.
当你观看他训练时，你就会意识到这个小伙子是最棒的。
22. 一切如常；处之泰然
In a difficult situation, if you say it is business as usual, you mean that people will continue doing what they normally do.
e.g. The Queen was determined to show it was business as usual.
女王决定表现出一切正常的样子。
1. 商业；买卖；交易；生意
Business is work relating to the production, buying, and selling of goods or services.
e.g. ...young people seeking a career in business...
涉足商界的年轻人
e.g. Jennifer has an impressive academic and business background.
珍妮弗有着让人印象深刻的学术和商务背景。
2. 业务量；营业额
Business is used when talking about how many products or services a company is able to sell. If business is good, a lot of products or services are being sold and if business is bad, few of them are being sold.
e.g. They worried that German companies would lose business...
他们担心德国公司的业务量会下滑。
e.g. Business is booming.
生意蒸蒸日上。
3. 工商企业；公司；商店；商铺
A business is an organization which produces and sells goods or which provides a service.
e.g. The company was a family business...
这家公司是个家族企业。
e.g. The majority of small businesses go broke within the first twenty-four months...
大多数小企业在开张后的24个月内就倒闭了。
4. 任务；职责；工作
Business is work or some other activity that you do as part of your job and not for pleasure.
business的近义词
e.g. I'm here on business...
我到这儿来办公事。
e.g. You can't mix business with pleasure.
你不能把工作和娱乐搅在一起。
5. 行业；（某一领域的）工作
You can use business to refer to a particular area of work or activity in which the aim is to make a profit.
e.g. May I ask you what business you're in?
我可否问问你是做什么工作的？
e.g. ...the music business.
音乐界
6. 眼前所做之事；手头的事
You can use business to refer to something that you are doing or concerning yourself with.
business
e.g. ...recording Ben as he goes about his business...
录下本在处理事务时的镜头片断
e.g. There was nothing left for the teams to do but get on with the business of racing.
这些队除了继续参加赛跑比赛，没有什么别的事可做。
7. （需要处理的）重要事情，要点
You can use business to refer to important matters that you have to deal with.
e.g. The most important business was left to the last...
最重要的事留到最后来解决。
e.g. I've got some unfinished business to attend to.
我还有一些未完的事要处理。
8. 个人的事；私事
If you say that something is your business, you mean that it concerns you personally and that other people have no right to ask questions about it or disagree with it.
e.g. My sex life is my business...
我的性生活是我自己的事。
e.g. If she doesn't want the police involved, that's her business...
如果她不想让警方介入，那是她自己的事。
9. 事件；情况；活动
You can use business to refer in a general way to an event, situation, or activity. For example, you can say something is 'a wretched business' or you can refer to 'this assassination business'.
business
e.g. We have sorted out this wretched business at last...
我们最终还是把这件破事儿理顺了。
e.g. This whole business is very puzzling.
这件事从头到尾都很让人费解。
10. （令人不快或耗费钱财的）活儿，事情
You can use business when describing a task that is unpleasant in some way. For example, if you say that doing something is a costly business, you mean that it costs a lot.
e.g. Coastal defence is a costly business...
海防事务很耗费资财。
e.g. Parenting can be a stressful business.
为人父母会是一件压力很大的事。
11. see also: big business;show business
12. 做买卖；做生意
If two people or companies do business with each other, one sells goods or services to the other.
e.g. I was fascinated by the different people who did business with me.
我对那些跟我做生意的形形色色的人非常感兴趣。
13. 无权；没有理由
If you say that someone has no business to be in a place or to do something, you mean that they have no right to be there or to do it.
e.g. Really I had no business to be there at all.
真的，我根本没有道理呆在那里。
14. 在经营中
A company that is in business is operating and trading.
e.g. You can't stay in business without cash.
没有现金，你无法运营。
15. 万事俱备
If you say you are in business, you mean you have everything you need to start something immediately.
e.g. All you need is a microphone, and you're in business.
再来一只麦克风，你就万事俱备了。
16. 当真的；严肃的
If you say that someone means business, you mean they are serious and determined about what they are doing.
business在线翻译
e.g. Now people are starting to realise that he means business.
人们现在才开始明白他不是在开玩笑。
17. 没你的事；少管闲事
If you say to someone 'mind your own business' or 'it's none of your business', you are rudely telling them not to ask about something that does not concern them.
e.g. I asked Laura what was wrong and she told me to mind my own business.
我问劳拉发生了什么事，她让我少管闲事。
18. 决定做
If you make it your business to do something, you decide to do it, because you are interested in it or because you want to find out something.
business的翻译
e.g. She made it her business to find out.
她决定要查明真相。
19. 是不会（做）…的；才不会（做）
If you say that you are not in the business of doing something, you are emphasizing that you do not do it, usually when you are annoyed or surprised that someone thinks you do.
e.g. We are not in the business of subsidising scroungers.
我们是不会资助那些乞丐的。
20. 停业；破产
If a shop or company goes out of business or is put out of business, it has to stop trading because it is not making enough money.
business的解释
e.g. Thousands of firms could go out of business.
成千上万个企业可能破产。
21. 同类中最好的
If you say that someone or something is the business, you mean that they are the best of their kind.
business
e.g. When you watch him in training, you realise that this lad is the business.
当你观看他训练时，你就会意识到这个小伙子是最棒的。
22. 一切如常；处之泰然
In a difficult situation, if you say it is business as usual, you mean that people will continue doing what they normally do.
e.g. The Queen was determined to show it was business as usual.
女王决定表现出一切正常的样子。