before

adverb, conjunction, preposition

US /bɪˈfɔr/

Before can be used in the following ways:

as a conjunction (connecting two clauses): Think carefully before you choose.

as a preposition (followed by a noun): We’ll finish the project before Christmas.

as an adverb (without a following noun): I’d met him once before.

1
earlier than something
1. 1a
  earlier than a particular time, event, or action
  I went for a run before breakfast.
  The others had gotten there before us.
  Have another drink before you go!
  I joined the police in 1999. Before that I was in the army.
  Two weeks before the election the first reports of the scandal began to appear.
  before doing something:
  You should seek legal advice before signing anything.
  Synonyms and related words
  Before a time or event
  before
  first
  early
2. 1b
  at a time in the past
  Haven’t we met somewhere before?
  Never before in modern history has one nation dominated the world so completely.
  Synonyms and related words
  Existing, happening in or relating to a time in the past
  past
  ago
  before
3. 1c
  used for saying how much time passes until something happens
  Several years went by before I realized that David had lied to me.
  Synonyms and related words
  General words referring to time
  then
  all
  last
2
used for saying that something happens that prevents someone from doing what they intended
Before I could think of a reply she walked away.
3
spokenused for warning someone that something bad may happen unless they do something
Clean up that mess before your father sees it.
You’d better go away before I lose my temper.
Synonyms and related words
Ways of warning or advising someone
beware
look out
watch it
4
for someone to consider or watch
1. 4a
  formalused for saying that something or someone is judged or considered by a group of people
  The case went before a grand jury on December 17th.
  The question before us is whether we should allow a foreign government to control our commerce.
2. 4b
  formalused for saying that something is happening where people can watch it
  The team scored an impressive victory before 76,000 fans at Arrowhead Stadium.
5
in front of or earlier than someone/something
1. 5a
  if one place is before another place on your trip, you come to it first
  Our house is just before you get to the end of the road.
  A few miles before the border we were stopped at an army checkpoint.
  Synonyms and related words
  Function words referring to location
  about
  across
  after
2. 5b
  formalin front of someone or something
  Lawrence knelt before the king.
  Before the temple gate stood a bronze statue of Buddha.
  Synonyms and related words
  Function words referring to location
  about
  across
  after
3. 5c
  used for saying that something is placed earlier than something else in a list or series
  The names are in alphabetical order, so “Barnes” should come before “Brown.”
6
mainly Britishformalused when saying what will happen in someone’s future
A promising career stretched out before him.
You’re still young – you have your whole life before you.
Synonyms and related words
At an unspecified time in the future
later
someday
sooner or later

phrases

the day/week/weekend etc. before

the day before yesterday/the week before last etc.

单词	before
释义	before adverb, conjunction, preposition UK /bɪˈfɔː(r)/ Other entries for this word go before phrasal verb come before phrasal verb before dark phrase lay before phrasal verb before long phrase put before phrasal verb before tax phrase bring before phrasal verb best-before date noun before your time phrase just before/after phrase before you can blink phrase the day before yesterday phrase look before you leap phrase cast pearls before swine phrase lie ahead/before/in store phrase have seen it all before phrase have heard it (all) before phrase the day/week/weekend etc before phrase carry all/everything before you phrase more dictionary definitions DEFINITIONS6 Before can be used in the following ways: as a conjunction (connecting two clauses): Think carefully before you choose. as a preposition (followed by a noun): We moved to London before the war. as an adverb (without a following noun): I’d met him once before. 1 earlier than something 1a earlier than a particular time, event, or action I went for a run before breakfast. The others had got there before us. Won’t you have another drink before you go? I joined the police in 1999. Before that I was in the army. Two weeks before the election the first reports of the scandal began to appear. before doing something: You should seek legal advice before signing anything. Synonyms and related words Before a time or event before first early 1b at a time in the past Haven’t we met before somewhere? Never before in modern history has one nation dominated the world so completely. Synonyms and related words Existing, happening in or relating to a time in the past past ago previously 1c used for saying how much time passes until something happens Several years went by before I realized that David had lied to me. Synonyms and related words General words referring to time then all last 2 used for saying that something happens which prevents someone from doing what they intended Before I could think of a reply she walked away. 3 spokenused for warning someone that something bad may happen unless they do something Clean up that mess before your father sees it. You’d better go away before I lose my temper. Synonyms and related words Ways of warning or advising someone beware watch it mind (out) 4 for someone to consider or watch 4a formalused for saying that something or someone is judged or considered by a group of people The case went before a grand jury on December 17th. The question before us is whether we should allow a foreign government to control our commerce. 4b formalused for saying that something is happening where people can watch it The team scored an impressive victory before 76,000 fans at Arrowhead Stadium. 5 in front of or earlier than someone/something 5a if one place is before another place on your journey, you come to it first A few miles before the border we were stopped at an army checkpoint. Our house is just before you get to the end of the road. Synonyms and related words Function words referring to location about across after 5b formalin front of someone or something Lawrence knelt before the king. Before the temple gate stood a bronze statue of Buddha. Synonyms and related words Function words referring to location about across after 5c used for saying that something is placed earlier than something else in a list or series The names are in alphabetical order, so ‘Barnes’ should come before ‘Brown’. 6 formalused when saying what will happen in someone’s future A promising career stretched out before him. You’re still young – you have your whole life before you. Synonyms and related words At an unspecified time in the future later someday sooner or later phrases the day/week/weekend etc before the day before yesterday/the week before last etc before adverb, conjunction, preposition US /bɪˈfɔr/ Other entries for this word go before phrasal verb come before phrasal verb before dark phrase lay before phrasal verb before long phrase put before phrasal verb before tax phrase bring before phrasal verb before your time phrase just before/after phrase before you can blink phrase the day before yesterday phrase look before you leap phrase cast pearls before swine phrase lie ahead/before/in store phrase have seen it all before phrase have heard it (all) before phrase the day/week/weekend etc. before phrase carry all/everything before you phrase put the cart before the horse phrase more dictionary definitions DEFINITIONS6 Before can be used in the following ways: as a conjunction (connecting two clauses): Think carefully before you choose. as a preposition (followed by a noun): We’ll finish the project before Christmas. as an adverb (without a following noun): I’d met him once before. 1 earlier than something 1a earlier than a particular time, event, or action I went for a run before breakfast. The others had gotten there before us. Have another drink before you go! I joined the police in 1999. Before that I was in the army. Two weeks before the election the first reports of the scandal began to appear. before doing something: You should seek legal advice before signing anything. Synonyms and related words Before a time or event before first early 1b at a time in the past Haven’t we met somewhere before? Never before in modern history has one nation dominated the world so completely. Synonyms and related words Existing, happening in or relating to a time in the past past ago before 1c used for saying how much time passes until something happens Several years went by before I realized that David had lied to me. Synonyms and related words General words referring to time then all last 2 used for saying that something happens that prevents someone from doing what they intended Before I could think of a reply she walked away. 3 spokenused for warning someone that something bad may happen unless they do something Clean up that mess before your father sees it. You’d better go away before I lose my temper. Synonyms and related words Ways of warning or advising someone beware look out watch it 4 for someone to consider or watch 4a formalused for saying that something or someone is judged or considered by a group of people The case went before a grand jury on December 17th. The question before us is whether we should allow a foreign government to control our commerce. 4b formalused for saying that something is happening where people can watch it The team scored an impressive victory before 76,000 fans at Arrowhead Stadium. 5 in front of or earlier than someone/something 5a if one place is before another place on your trip, you come to it first Our house is just before you get to the end of the road. A few miles before the border we were stopped at an army checkpoint. Synonyms and related words Function words referring to location about across after 5b formalin front of someone or something Lawrence knelt before the king. Before the temple gate stood a bronze statue of Buddha. Synonyms and related words Function words referring to location about across after 5c used for saying that something is placed earlier than something else in a list or series The names are in alphabetical order, so “Barnes” should come before “Brown.” 6 mainly Britishformalused when saying what will happen in someone’s future A promising career stretched out before him. You’re still young – you have your whole life before you. Synonyms and related words At an unspecified time in the future later someday sooner or later phrases the day/week/weekend etc. before the day before yesterday/the week before last etc.
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