英语词汇“before”的释义、区别辨析及用法例句-英语同义词词典

beforebefore /bɪˈfɔr/ preposition, conjunction 1 earlier than something► before preposition, conjunction, adverb

earlier than a time or event:

A decision is expected before the end of the month.

Before I met you, I was miserable.

You should brush your teeth before going to bed.

➔ GRAMMAR: In this meaning, before is used as an adverb after words such as “day” and “week”: She arrived too late - he had left the day before.

► prior to AWL preposition (formal)

prior to means the same as before:

He served two years in the state Senate prior to his election as governor in 1986.

► beforehand adverb

before something happens or before you go somewhere, especially in order to be ready:

I will remind you three days beforehand, so you don’t forget.

► ahead of time adverb

ahead of time means the same as beforehand:

Can you tell him ahead of time what he’ll need to bring?

► in advance adverb

in advance means the same as beforehand but sounds more formal:

I made the dinner in advance so that I would not have to cook when my friends came.

► by preposition

at some time before a particular time or date, and definitely not after it:

I promise I’ll be home by 6:00.

They’re coming at 5:00, so I want everything to be ready by then.

The company grew, and by 1973 it had a staff of 1,400.

► by the time conjunction

at some time before something happens:

By the time we arrived, the game had already started.

ANTONYMS ➔ see after2 at a time in the past► before adverb

at a time in the past:

I remember meeting you before at Jon’s party.

There are more cars parked here than before.

► earlier adverb

at a time before now, especially a time during the same day or period of time:

I saw Julia earlier, but she is not here now.

Earlier today, we recorded an interview with the President.

► previously AWL adverb (formal)

previously means the same as before but sounds more formal:

I had met her previously at church.

Previously, he was a teacher at a community college.

► formerly adverb (formal)

before, but no longer:

He formerly worked for ABC, but he is now a reporter for CNN.

单词	before
例句	beforebefore /bɪˈfɔr/ preposition, conjunction 1 earlier than something► before preposition, conjunction, adverb earlier than a time or event: A decision is expected before the end of the month. Before I met you, I was miserable. You should brush your teeth before going to bed. ➔ GRAMMAR: In this meaning, before is used as an adverb after words such as “day” and “week”: She arrived too late - he had left the day before. ► prior to AWL preposition (formal) prior to means the same as before: He served two years in the state Senate prior to his election as governor in 1986. ► beforehand adverb before something happens or before you go somewhere, especially in order to be ready: I will remind you three days beforehand, so you don’t forget. ► ahead of time adverb ahead of time means the same as beforehand: Can you tell him ahead of time what he’ll need to bring? ► in advance adverb in advance means the same as beforehand but sounds more formal: I made the dinner in advance so that I would not have to cook when my friends came. ► by preposition at some time before a particular time or date, and definitely not after it: I promise I’ll be home by 6:00. They’re coming at 5:00, so I want everything to be ready by then. The company grew, and by 1973 it had a staff of 1,400. ► by the time conjunction at some time before something happens: By the time we arrived, the game had already started. ANTONYMS ➔ see after2 at a time in the past► before adverb at a time in the past: I remember meeting you before at Jon’s party. There are more cars parked here than before. ► earlier adverb at a time before now, especially a time during the same day or period of time: I saw Julia earlier, but she is not here now. Earlier today, we recorded an interview with the President. ► previously AWL adverb (formal) previously means the same as before but sounds more formal: I had met her previously at church. Previously, he was a teacher at a community college. ► formerly adverb (formal) before, but no longer: He formerly worked for ABC, but he is now a reporter for CNN.
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