英语词汇“about”的释义、区别辨析及用法例句-英语同义词词典

aboutabout /əˈbaʊt/ adverb, preposition also around1 used to say that a number or amount is not exact► about also around adverb, preposition

a little more or less than a particular number, amount, distance, size, or time. Use about or around to show that you are guessing or not being exact:

The beach is about a mile away.

The jeans only cost about $30.

We should leave around 8:30 if we want to get there by 9:00.

► approximately adverb

approximately means the same as about but is more formal. Approximately is used especially in technical or scientific situations:

The disease affects approximately 10% of the population.

► roughly adverb

a little more or less than a number, size, or amount. Use roughly when you know a number is not exact:

The tree is roughly 15 feet tall.

Roughly 25% of the players on the team are from other countries.

► just over adverb

slightly more than a number or amount:

The new building cost just over $1 million to build.

► just under adverb

slightly less than a number or amount:

Kevin is just under 6 feet tall.

2 used to say what the subject of something is► about adverb, preposition

used when you say what the subject of something is:

In her novels she writes about her childhood in Mississippi.

Do you have any questions about tomorrow’s test?

Why didn’t you tell me about your accident?

► on preposition

about a particular subject. You use on when giving the subject of a book, article, or speech that gives information, or when giving the subject of someone’s opinions or ideas:

I have to write a report on Lincoln for school.

Researchers studied young people’s views on marriage.

► relating to also related to preposition

used to say what information, records, laws, documents, etc. are about:

She asked several questions related to the rental agreement.

The city has laws relating to acceptable noise levels.

► concerning also regarding preposition (formal)

used to say what questions, information, decisions, documents, laws, and suggestions are about:

Police asked him several questions concerning the robbery.

Thank you for your letter regarding next month’s music festival.

► with regard to also in regard to preposition (formal)

about one particular subject and not a different one:

Wilson has not spoken to reporters with regard to his work at the company.

➔ With regard to or in regard to can also be used to introduce the subject that you are going to talk or write about: I am writing to you with regard to the bill you sent me on June 8.

► as to conjunction (formal)

used to say what a question, explanation, decision, reason, or doubt is about:

The senator never gave a clear explanation as to why he decided to quit.

There were no clues as to where he had gone.

➔ GRAMMAR: As to is often followed by “why,“ “when,” “how,“ “who,” “what,“ “if,” or “whether.”

SYNONYM CHECKAboutOnly about can be used to give the subject of a story, or of a movie that tells a story: She wrote a story about a boy who finds out he is a wizard. On is used to give the subject of a book or movie that gives information: She wrote a book on wild animals.Do not use relating to, concerning, with regard to, or as to to give the subject of a book or movie.

单词	about
例句	aboutabout /əˈbaʊt/ adverb, preposition also around1 used to say that a number or amount is not exact► about also around adverb, preposition a little more or less than a particular number, amount, distance, size, or time. Use about or around to show that you are guessing or not being exact: The beach is about a mile away. The jeans only cost about $30. We should leave around 8:30 if we want to get there by 9:00. ► approximately adverb approximately means the same as about but is more formal. Approximately is used especially in technical or scientific situations: The disease affects approximately 10% of the population. ► roughly adverb a little more or less than a number, size, or amount. Use roughly when you know a number is not exact: The tree is roughly 15 feet tall. Roughly 25% of the players on the team are from other countries. ► just over adverb slightly more than a number or amount: The new building cost just over $1 million to build. ► just under adverb slightly less than a number or amount: Kevin is just under 6 feet tall. 2 used to say what the subject of something is► about adverb, preposition used when you say what the subject of something is: In her novels she writes about her childhood in Mississippi. Do you have any questions about tomorrow’s test? Why didn’t you tell me about your accident? ► on preposition about a particular subject. You use on when giving the subject of a book, article, or speech that gives information, or when giving the subject of someone’s opinions or ideas: I have to write a report on Lincoln for school. Researchers studied young people’s views on marriage. ► relating to also related to preposition used to say what information, records, laws, documents, etc. are about: She asked several questions related to the rental agreement. The city has laws relating to acceptable noise levels. ► concerning also regarding preposition (formal) used to say what questions, information, decisions, documents, laws, and suggestions are about: Police asked him several questions concerning the robbery. Thank you for your letter regarding next month’s music festival. ► with regard to also in regard to preposition (formal) about one particular subject and not a different one: Wilson has not spoken to reporters with regard to his work at the company. ➔ With regard to or in regard to can also be used to introduce the subject that you are going to talk or write about: I am writing to you with regard to the bill you sent me on June 8. ► as to conjunction (formal) used to say what a question, explanation, decision, reason, or doubt is about: The senator never gave a clear explanation as to why he decided to quit. There were no clues as to where he had gone. ➔ GRAMMAR: As to is often followed by “why,“ “when,” “how,“ “who,” “what,“ “if,” or “whether.” SYNONYM CHECKAboutOnly about can be used to give the subject of a story, or of a movie that tells a story: She wrote a story about a boy who finds out he is a wizard. On is used to give the subject of a book or movie that gives information: She wrote a book on wild animals.Do not use relating to, concerning, with regard to, or as to to give the subject of a book or movie.
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