before 在英语-中文（简体）词典中的翻译
beforepreposition, adverb, conjunction uk
Your browser doesn't support HTML5 audio
/bɪˈfɔːr/ us
Your browser doesn't support HTML5 audio
/bɪˈfɔːr/
Add to word list
Add to word list
A1 at or during a time earlier than (the thing mentioned)
在…之前;以前
You should always wash your hands before meals.
饭前应该洗手。
Before leaving he said goodbye to each of them.
走前他和每个人都告了别。
She's always up before dawn.
她总是黎明前就起床了。
Before he could reach the door, she quickly closed it.
他还没走到门前她就迅速关上了门。
Before we make a decision, does anyone want to say anything else?
趁我们还未作决定，还有人想说什么吗？
She had to give the doorman a tip before he would help her with her suitcases (= he would not do it until she had given him a tip).
她得给看门人小费，好让他帮她提箱子。
B1 until (the event mentioned)
直到…发生
It was an hour before the police arrived.
警察一小时后才赶到。
A2 in the past
以前;从前
He said he had never seen her before.
他说他以前从没见过她。
I feel as though I've been here before.
我感觉好像以前来过这儿。
更多范例减少例句You should always check your oil, water and tyres before taking your car on a long trip.Make sure your hands are clean before you have your dinner.Two weeks before my exams I shut myself away in my room with my books and I didn't speak to anyone.I want you to clear all these toys away before bedtime.She did well to find the way, considering she'd only been there once before.
语法
BeforeBefore is a preposition, an adverb and a conjunction. Before means earlier than the time or event mentioned: …
Before as a prepositionWe use before most commonly with noun phrases to refer to timed events: …
Before, by, till, untilIf you have to do something before a certain point in time, then when that point arrives, the action must already be completed: …
Before as an adverbBefore often comes after nouns such as day, morning, night, week, month, year to refer to the previous day, morning, etc.: …
Before as an adjunctWe use before to connect earlier events to the moment of speaking or to a point of time in the past: …
Before as a conjunctionWe use before as a subordinating conjunction. We commonly use before with the past simple tense. It suggests that the second event happened soon after the first one. The before clause, which indicates the second action, can be at the end or at the beginning of the sentence: …
Before with -ingA non-finite clause with before + ing-form is more formal: …
Just before, immediately beforeWe can use adverbs such as just, immediately, shortly and long, and expressions involving words such as days, weeks, months, years in front of before: …
BeforehandWe can use beforehand as an alternative to before as an adverb, especially when the reference to time is less specific. …
Other uses of beforeWe use before meaning ‘in front of’ in more formal contexts: …
Before: typical errorsWe use above not before when we refer back to something we have already written: …
beforepreposition uk
Your browser doesn't support HTML5 audio
/bɪˈfɔːr/ us
Your browser doesn't support HTML5 audio
/bɪˈfɔːr/
B1 in front of
在…前面，在…之前
The letter K comes before L in the English alphabet.
在英语字母表中，K排在L前面。
Many mothers put their children's needs before their own.
许多母亲都把孩子的需要置于自己的需要之前。
We have the whole weekend before us - what do you want to do?
我们有整个周末的时间——做些什么呢？
He stood up before a whole roomful of people, and asked her to marry him.
他在满屋子人面前站起来向她求婚。
A2 If a place is before another place, you will arrive at it first when you are travelling towards the second place.
（场所）在…之前
The bus stop is just before the school.
公共汽车站就在学校前面一点。
If something is before someone or before a group of people, it will be formally considered or examined by that person or group.
由…考虑;由…审查
The proposal before the committee is that we try and reduce our spending by ten percent.
委员会正在考虑我们打算降低10%开支的建议。
The men appeared before the judge yesterday.
这些人昨天出庭了。
更多范例减少例句He bowed down before the king and begged for mercy.I could hardly believe the chaotic scene before me.There were still several people before me in the queue.He took out his gold watch and laid it on the table before hm.He got down on his knees before the altar.
语法
BeforeBefore is a preposition, an adverb and a conjunction. Before means earlier than the time or event mentioned: …
Before as a prepositionWe use before most commonly with noun phrases to refer to timed events: …
Before, by, till, untilIf you have to do something before a certain point in time, then when that point arrives, the action must already be completed: …
Before as an adverbBefore often comes after nouns such as day, morning, night, week, month, year to refer to the previous day, morning, etc.: …
Before as an adjunctWe use before to connect earlier events to the moment of speaking or to a point of time in the past: …
Before as a conjunctionWe use before as a subordinating conjunction. We commonly use before with the past simple tense. It suggests that the second event happened soon after the first one. The before clause, which indicates the second action, can be at the end or at the beginning of the sentence: …
Before with -ingA non-finite clause with before + ing-form is more formal: …
Just before, immediately beforeWe can use adverbs such as just, immediately, shortly and long, and expressions involving words such as days, weeks, months, years in front of before: …
BeforehandWe can use beforehand as an alternative to before as an adverb, especially when the reference to time is less specific. …
Other uses of beforeWe use before meaning ‘in front of’ in more formal contexts: …
Before: typical errorsWe use above not before when we refer back to something we have already written: …
(before在剑桥英语-中文（简体）词典的翻译 © Cambridge University Press)
before的例句
before
Beginning with the introduction of the secret ballot in 1958, the rural population had become more politically active than ever before.
来自 Cambridge English Corpus
In our department, we need to have confidence in the reproducibility of our techniques before we can eliminate the use of simulator.
来自 Cambridge English Corpus
As before, the regression lines raise the most interest.
来自 Cambridge English Corpus
At first glance, the new sector structure appears to be very different from before, in terms of both organisation and institutions.
来自 Cambridge English Corpus
Before turning to these, let me make a few summary remarks about the other six.
来自 Cambridge English Corpus
A discharge that is triggered before this minimum delay time does not ignite or ignites with a very large jitter.
来自 Cambridge English Corpus
Reconstruction of how the sums raised were spent is much more difficult, especially for the period before overseers account books survive (from 1771).
来自 Cambridge English Corpus
In uncomplicated labour nothing was given to relieve pain except occasionally a few drops of chloroform just before the birth of the baby.
来自 Cambridge English Corpus
示例中的观点不代表剑桥词典编辑、剑桥大学出版社和其许可证颁发者的观点。
A1,B1,A2,B1,A2