| 词汇 | before |
| 释义 | before preposition, adverb, conjunction uk /bɪˈfɔːr/ us /bɪˈfɔːr/ 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。 before something beforeTry to arrive before the start of the meeting. prior toAll utensils should be washed prior to use. in advance ofCall in advance of your visit to see if you'll need a parking reservation. ahead ofMy sister is arriving ahead of me to do the shopping for the dinner. byMake sure you're back by midnight. 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: 过去，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。 at an earlier time beforeI was sure I’d seen her face before. beforehandHe knew beforehand that his speech would anger many people. previouslyShe has previously denied the accusations. in advanceYou should prepare your ingredients in advance. ahead of timeUSTry to arrive at the airport ahead of time to minimize the possibility of delays. You should always check your oil, water and tyres before taking your car on a long trip.你每次开车长途旅行前都应当检查一下油箱、水箱和轮胎。 Make sure your hands are clean before you have your dinner.饭前一定要把手洗干净。 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.我要你在睡觉前把所有的玩具都收拾好。 She did well to find the way, considering she'd only been there once before. Before, after and already afore afterwards already ante as it isidiom beforehand heel in advanceidiom in advance of something/someoneidiom in the wake of somethingidiom next posterior previous prior priorly prologue quondam the next but oneidiom upstream wake You can also find related words, phrases, and synonyms in the topics: Until a particular moment In the past GrammarBefore Before is a preposition, an adverb and a conjunction. Before means earlier than the time or event mentioned: … Before as a preposition We use before most commonly with noun phrases to refer to timed events: … Before, by, till, until If 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 adverb Before often comes after nouns such as day, morning, night, week, month, year to refer to the previous day, morning, etc.: … Before as an adjunct We use before to connect earlier events to the moment of speaking or to a point of time in the past: … Before as a conjunction We 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 -ing A non-finite clause with before + ing-form is more formal: … Just before, immediately before We can use adverbs such as just, immediately, shortly and long, and expressions involving words such as days, weeks, months, years in front of before: … Beforehand We can use beforehand as an alternative to before as an adverb, especially when the reference to time is less specific. … Other uses of before We use before meaning ‘in front of’ in more formal contexts: … Before: typical errors We use above not before when we refer back to something we have already written: … before preposition uk /bɪˈfɔːr/ us /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。 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. Ahead, in front and beyond ahead ahead of ante be (right) under your noseidiom beyond downriver follow follow your noseidiom fore forward front front end frontally head lead nose para past up yonder You can also find related words, phrases, and synonyms in the topics: Analysing and evaluating Law courts GrammarBefore Before is a preposition, an adverb and a conjunction. Before means earlier than the time or event mentioned: … Before as a preposition We use before most commonly with noun phrases to refer to timed events: … Before, by, till, until If 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 adverb Before often comes after nouns such as day, morning, night, week, month, year to refer to the previous day, morning, etc.: … Before as an adjunct We use before to connect earlier events to the moment of speaking or to a point of time in the past: … Before as a conjunction We 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 -ing A non-finite clause with before + ing-form is more formal: … Just before, immediately before We can use adverbs such as just, immediately, shortly and long, and expressions involving words such as days, weeks, months, years in front of before: … Beforehand We can use beforehand as an alternative to before as an adverb, especially when the reference to time is less specific. … Other uses of before We use before meaning ‘in front of’ in more formal contexts: … Before: typical errors We use above not before when we refer back to something we have already written: … before | American Dictionarybefore preposition, conjunction, adverb[ not gradable ] us/bɪˈfɔr, -ˈfoʊr/ beforepreposition, conjunction, adverb[not gradable] (EARLIER)at or during a time earlier than (the thing mentioned): I left early because I wanted to arrive home before dark. Before making up your mind, think about all your options. It was another half hour before (= until) the ambulance finally arrived. Less than a week before, he’d graduated from college. before last Before last means before the most recent: Today is Monday, so the day before last was Saturday. Idiomsbefore you know it before long before preposition us/bɪˈfɔr, -ˈfoʊr/ beforepreposition (IN FRONT)in front of: It took courage to stand before a courtroom full of people. Examples of beforebefore Homelessness has reached a record level, topping last year's and the year before's, of 37,519 families. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We might take some other trades, but we should soon get into difficulties because we should be speaking without all the facts:before us. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 They make decisions based on their understanding of the law and the facts before them. Beginning with the introduction of the secret ballot in 1958, the rural population had become more politically active than ever before. In one patient intramedullary ependymoma was accidentally diagnosed during standard exams before surgical correction of scoliosis. Therefore, social programs must promote work, and even enforce it, assuming the function that the workplace did before. The value of this book, however, is to tease out the various 'micro-foundations' of divergent employer preferences, and to evaluate them more systematically than before. Also, before resistance starts to appear in human isolates of fluke. Indeed, we have seen in the previous subsection that setoids and morphisms of setoids must come before and be the base of category theory. Rats were prohibited food and water for 12 h before infection. A research bias favouring certain helminth groups over others has been suspected before. The problem needs to be addressed before the situation becomes as serious as it is with other, more broadspectrum anthelmintics. Political fund regulation should be legislated before other political reform. Further research is clearly needed on the processes of party list construction before we have an answer to this question. Controls were asked about food and restaurant exposures for the week before the matched patient's illness, using the same questionnaire format as for cases. See all examples of before These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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