| 单词 | about |
| 释义 | preposition | adverb | adjective aboutabout1 /əˈbaʊt/ ●●● S1 W1 preposition 1on or dealing with a particular subject: In her novels she writes about her childhood in Mississippi. They were talking about music. Robert told her all about his vacation (=all the details relating to it).THESAURUSon – about a subject. You use on when giving the subject of a book, article, or speech, or the subject of someone’s opinions or ideas: The government recently issued a report on poverty in rural areas.relating to – used when saying what information, records, laws, documents, etc. are about: The city has laws relating to acceptable noise levels.concerning/regarding formal – used when saying what questions, information, decisions, documents, laws, and suggestions are about: The police want to ask you some questions concerning the night of December 4.with regard to formal – about one particular subject and not a different one. You use with regard to especially to introduce a subject in a speech, formal report, or meeting: There have been recent changes in the laws with regard to food safety.as to formal – used when saying what a question, explanation, decision, reason, or doubt is about: The senator never gave a clear explanation as to why he decided to quit.re formal – about a subject. You use re in business letters when introducing the subject that you are going to write about: Re: Your letter dated 1/20/20132in the nature or character of a person or thing: I’m not sure what it is about her, but guys really like her. What did you like best about the book?3what/how about spoken a)used to make a suggestion: I think I’ll have dessert. How about you? b)used to ask for news or information about someone or something: What about the people who were in the bus? Were they OK?4spoken used to introduce a subject that you want to talk about: About this weekend – is everyone still going? We have to talk – it’s about your mom.5do something about to do something to solve a problem or stop a bad situation: What can be done about the increase in crime?6if an organization, a job, an activity, etc. is about something, that is its basic purpose: Basically, the job’s all about helping people get off welfare.7in many different directions within a particular place, or in different parts of a place SYN around: She began to walk restlessly about the room.8literary surrounding a person or thing: Jo sensed fear and jealousy all about her. preposition | adverb | adjective aboutabout2 ●●● S1 W1 adverb 1more or less a particular number or amount: Tim’s about 25 years old. Her music lesson is about 45 minutes long.THESAURUSapproximately – a little more or a little less than a number, amount, distance, or time. Approximately is more formal than about or around: A kilo is approximately 2 pounds.around – used when guessing a number, amount, time, etc., without being exact: Around 50 people came to the meeting.roughly – a little more or a little less than a number, size, or amount – used when you know a number is not exact: Roughly 7,000 vehicles a day cross the border.or so – used when you cannot be exact about a number, amount, or period of time: Every month or so, he drives up to visit his parents.in the region of – used when a number or amount will be a little more or a little less than the one mentioned: It will cost in the region of $750 to fix it.2informal almost: She’s 11 months old and just about ready to start walking. → see also just about at just1 (4)3that’s about it/all informal a)used to say that you have said everything you know about a subject: I’ve seen her at school a few times, but that’s about it. b)used to tell someone that there is nothing else available: There’s some ham in the fridge, and that’s about it. [Origin: from Old English abutan, from a- on + butan outside] preposition | adverb | adjective aboutabout3 ●●● S3 W2 adjective 1be about to do something if someone is about to do something or if something is about to happen, he or she will do it or it will happen very soon: Oh, I was just about to leave you a message.2not be about to do something informal used to emphasize that you have no intention of doing something: I wasn’t about to let him pay for it. → see also out and about at out1 (45), be up and about at up3 (17) |
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