| 词组 | before |
| 释义 | before /bɪˈfɔː $ -ˈfɔːr/ preposition earlier than something or someone: Let’s meet at our house before the show. Larry arrived home before me. Before leaving, he checked that he had all his things.adverbsjust before Hugh arrived just before the ceremony.nounsbefore breakfast/lunch/dinner I usually take a shower before breakfast.before (the) class I spoke to the teacher before class.before the end/beginning of sth The new road should be completed before the end of the year.before 10 o'clock/midnight/midday etc Make sure that you're back before 5 o'clock.phrasesthe day before yesterday (=two days ago) We only got back from Scotland the day before yesterday.not before The police arrived, not before the thieves had got away.before long (=used when saying that something happened soon after another thing) Other students joined in the protest, and before long there was a crowd of 200 or so.THESAURUS: before by no later than a particular time or date: The children are usually in bed by 9 o’clock. | We have to be out of our hotel room by 10 o’clock. prior to formal before something happens - used especially in official English: Please arrive at the airport two hours prior to departure. earlier before now, or before the time you are talking about: I saw her earlier. | I had sent the letter earlier in the week. previously before now, or before a time in the past: He previously worked as an electrician. | The show starred a previously unknown actress called Jennifer Aniston. in advance before something happens – used especially when talking about the arrangements for something: Let me know in advance if you are going to be late. | The landlord wants three months’ rent in advance. beforehand also ahead of time before something happens, especially so that you are ready: I wish we had known about all this beforehand. | It’s always best to decide beforehand how much you want to pay. |
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