Question

before before ★★★★★/bɪfɔ͟ː(r)/In addition to the uses shown below, before is used in the phrasal verbs ‘go before’ and ‘lay before’.除下列用法外，before 还可用于 go before 和 lay before 等短语动词中。1[PREP	介词]（时间上）在…之前，早于 If something happens before a particular date, time, or event, it happens earlier than that date, time, or event. →see usage note at:agoAnnie was born a few weeks before Christmas...安妮出生在圣诞节前几周。Before World War II, women were not recruited as intelligence officers...在第二次世界大战之前，女性不能当情报人员。My husband rarely comes to bed before 2 or 3am.我丈夫很少在凌晨两三点之前睡觉。Before is also a conjunction.Stock prices climbed close to the peak they'd registered before the stock market crashed.股价几乎攀升到了股市崩盘前的历史最高位。2[PREP	介词]在（做某事）之前 If you do one thing before doing something else, you do it earlier than the other thing.   [PREP -ing]He spent his early life in Sri Lanka before moving to England...在移居英格兰之前，他早年是在斯里兰卡度过的。Before leaving, he went into his office to fill in the daily time sheet.离开前，他到自己的办公室填写了日常考勤表。Before is also a conjunction.He took a cold shower and then towelled off before he put on fresh clothes.他冲了个凉水澡，用毛巾擦干身子后换上了新衣服。3[ADV	副词]在（某时间或某事）以前 You use before when you are talking about time. For example, if something happened the day before a particular date or event, it happened during the previous day.   [n ADV]  [n PREP n]The war had ended only a month or so before.战争大约一个月前才刚刚结束。Before is also a preposition.It's  interesting that he sent me the book twenty days before the deadline for my book.有趣的是，他在我的书到期前20天把那本书送给了我。Before is also a conjunction.Kelman had a book published in the US more than a decade before a British publisher would touch him.克尔曼早在英国出版商同他接触前十多年就已经在美国出版过一本书了。4[CONJ-SUBORD	连词]在（他人做某事）之前 If you do something before someone else can do something, you do it when they have not yet done it. Before Gallacher could catch up with the ball, Nadlovu had beaten him to it.加拉赫还没来得及追上球，纳德洛武就已经抢先一步触到球了。5[ADV	副词]以前；以往；过去 If someone has done something before, they have done it on a previous occasion. If someone has not done something before, they have never done it.   [ADV after v]I've been here before...我以前来过这儿。I had met Professor Lown before...我以前见过劳恩教授。She had never been to Italy before.她以前从来没有去过意大利。6[CONJ-SUBORD	连词]（直到…）才；（过了…）才 If there is a period of time or if several things are done before something happens, it takes that amount of time or effort for this thing to happen. It was some time before the door opened in response to his ring.他按完门铃后过了一会儿门才打开。7[CONJ-SUBORD	连词]（必须先具备某一条件）才能；在…之前（必须具备某一条件） If a particular situation has to happen before something else happens, this situation must happen or exist in order for the other thing to happen. There was additional work to be done before all the troops would be ready.在全军准备就绪之前，还有一些杂事必须处理。8[PREP	介词]（方位）在…前面，在…面前 If someone is before something, they are in front of it.   [FORMAL 正式]They drove through a tall iron gate and stopped before a large white villa.他们开车穿过一个大铁门，在一栋白色的大别墅前面停了下来。9[PREP	介词]（所经位置）在…前面 If you tell someone that one place is a certain distance before another, you mean that they will come to the first place first. The turn is about two kilometres before the roundabout.拐弯就在环岛前面约2公里处。10[PREP	介词]面对…（回答质询） If you appear or come before an official person or group, you go there and answer questions. The Governor will appear before the committee next Tuesday.下周二，州长将接受委员会的质询。11[PREP	介词]当着…的面；在…注视之下 If something happens before a particular person or group, it is seen by or happens while this person or this group is present. The game followed a colourful opening ceremony before a crowd of seventy-four thousand.绚丽多彩的开幕式过后，这场比赛在74,000名观众的瞩目之下开始了。12[PREP	介词]摆在…面前；使面对；使面临 If you have something such as a journey, a task, or a stage of your life before you, you must do it or live through it in the future.   [PREP pron]Everyone in the room knew it was the single hardest task before them...房间里所有人都清楚，摆在他们面前的是最为艰巨的任务。I saw before me an idyllic life.展现在我眼前的是充满诗情画意的生活。13[PREP	介词]（重要性）超过；比…重要 When you want to say that one person or thing is more important than another, you can say that they come before the other person or thing.   [v PREP n]Her husband, her children, and the Church came before her needs.丈夫、孩子和教会都比她本人的需求重要。14  before long→see: long；  before1 conjunctionbefore2 prepositionbefore3 adverbbeforebe‧fore1 /bɪˈfɔː $ -ˈfɔːr/ ●●● S1 W1 conjunction  Examples Thesaurus Collocations Phrases 1earlier than a particular event or action  OPP  after:  Say goodbye before you go. I saw her a few days before she died.2so that something does not or cannot happen:  Put that money somewhere safe before it gets stolen. That dog ought to be destroyed before it attacks any more children. Before I could say anything more, Holmes had rushed off towards the station.3used to say that something happens after a period of time:  It was several minutes before we realised what was happening. It will be a while before we know the results.4used to say that something must happen in order for something else to be possible:  You have to pass a test before you can get a licence.5 spoken used to warn someone that something bad will happen to them if they do not do something:  Get out before I call the police!6used to emphasize that someone does not want to do something:  She would die before she would admit she was wrong.GRAMMAR: Choosing the right tenseYou use the present simple with before to talk about a future event. Don’t use ‘will’. You say: · I want to get home before it rains. ✗Don’t say:  before it will rainGrammar guide ‒ VERBSbefore1 conjunctionbefore2 prepositionbefore3 adverbbeforebefore2 ●●● S1 W1 preposition  Word Origin Examples Thesaurus Collocations Phrases 1earlier than something or someone  OPP  after:  The new road should be completed before the end of the year. Let’s meet at our house before the show. Larry arrived home before me.five minutes/two hours etc before something Hugh arrived just five minutes before the ceremony.before doing something I usually take a shower before having my breakfast. We only got back from Scotland the day before yesterday (=two days ago). Other students joined in the protest, and before long (=soon) there was a crowd of 200 or so.2ahead of someone or something else in a list or order  OPP  after:  You were before me in the queue. The files are in alphabetical order, so B1 comes before C1.3used to say that something happens where it can be watched by people  SYN  in front of:  Italy will face Brazil this afternoon before a crowd of 100,000 spectators. an actor who had performed before the Queen4used to say that someone or something comes to be judged or considered by a person or group of people:  The proposal was put before the planning committee.5used to say that one thing or person is considered more important than another:  I put my wife and kids before anyone else. In the air transport business, safety must always come before profit.6formal in front of something or someone:  The priest stood before the altar. The sea stretched out before them.7if one place is before another place on a road or journey, the first place is nearer to you than the second, so you will reach it first  OPP  after:  The pub is 100 metres before the church on the right. the last station before the Simplon Tunnel8formal if there is a job or situation before you, you will have to do the job or face the situation  SYN  ahead of:  The task of emptying the house lay before us.9formal if a period of time is before you, it is about to start and you can do what you want during it  SYN  in front of:  We had a glorious summer afternoon before us to do as we pleased. You have your whole life before you.THESAURUSbefore earlier than something or someone: · She could read before she started school.· Do you want to have a shower before me?prior to formal before something happens: · Please arrive at the airport two hours prior to departure.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.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.before1 conjunctionbefore2 prepositionbefore3 adverbbeforebefore3 ●●● S1 W1 adverb  Examples Thesaurus Collocations Phrases 1at an earlier time:  Haven’t I met you before somewhere? Never before had he seen so many people starving. She looked just the same as before.2the day/week/month etc before the previous day, week, month etc  OPP  after:  She was in Paris last week and in Rome the week before.3 old use ahead of someone or something else:  The king’s herald walked before.

Accepted Answer

jEPoK/1xFvkT+4I2iOf8ERW/iJZmzHQNIS9WMfXHQ57IDR+RvZFQ3LBeuM/WgWTsVfShZiXbB9lBwqvf4qbgOYHuWlI7nJrBWfj8k11FGOROy59gIDlcEhP7nndFmFz4Suz/kfoOSzIeCQbWH14J1NpaMQEZtvEvGsmrAbclHEagqCLQh+rMNx4V09OPw4gSfDX8mJHtia2iEYXoLcirHA==             be·fore              ★                    /        bɪˈfɔː(r)                ;          NAmE                bɪˈfɔːr                /                              preposition                ,                  conjunction                ,                  adverb                                          preposition        ★                    1      ★              earlier than sb/sth          在…以前                            ◆        before lunch        午餐前                    ◆        the day before yesterday        前天                    ◆        The year before last he won a gold medal, and the year before that he won a silver.        他前年得了一枚金牌，大前年得了一枚银牌。                    ◆        She's lived there since before the war.        她从战前起就一直住在那里。                    ◆        He arrived before me.        他比我先到。                    ◆        She became a lawyer as her father had before her.        像她父亲先前一样，她成了一名律师。                    ◆        Leave your keys at reception before departure.        离开前请把钥匙留在服务枱。                    ◆        Something ought to have been done before now.        先前就该采取措施了。                    ◆        We'll know          before long          (= soon).                我们很快就会知道了。                    ◆        Turn left just before          (= before you reach)the bank.                在快到银行时向左拐。                    2              (          rather formal)                used to say that sb/sth is in a position in front of sb/sth          在…面前（或前面）                            ◆        They knelt before the throne.        他们跪在御座前。                    ◆        Before you is a list of the points we have to discuss.        放在你面前的是一份我们所要讨论的要点清单。                    ☞compare                                            behind                                           prep.                            3      ★              used to say that sb/sth is ahead of sb/sth in an order or arrangement          （次序或排列）在前面                            ◆        Your name is before mine on the list.        名单上你的名字在我之前。                    ◆        He puts his work before everything          (= regards it as more important than anything else).                他一切以工作为重。                    4      ★              used to say that sth is facing sb in the future          （表示面临或临近）                            ◆        The task before us is a daunting one.        我们所面临的任务令人胆怯。                    ◆        The whole summer lay before me.        整个夏季正等待着我。                    5              in the presence of sb who is listening, watching, etc.          当面                            ◆        He was brought before the judge.        他被带上法庭。                    ◆        She said it before witnesses.        她当着证人的面讲出这事。                    ◆        They had the advantage of playing before their home crowd.        他们有在主场观众面前比赛的优势。                    6              (          formal)                used to say how sb reacts when they have to face sb/sth          （表示面对某人、某事时的反应）                            ◆        They retreated before the enemy.        面对敌人，他们撤退了。                                  conjunction        ★                    1      ★              earlier than the time when          在…以前                            ◆        Do it before you forget.        尽早动手，免得忘了。                    ◆        Did she leave a message before she went?        她走之前留言了吗？                    2      ★              until          到…为止；到…之前                            ◆        It may be many years before the situation improves.        这种状况或许要过很多年才能得到改善。                    ◆        It was some time before I realized the truth.        过了很长一段时间我才悟出真相。                    3      ★              used to warn or threaten sb that sth bad could happen          以免；不然                            ◆        Put that away before it gets broken.        把它收好，免得砸碎了。                    4              (          formal)                rather than          （宁可…而）不愿                            ◆        I'd die before I apologized!        我宁愿死也不道歉！                                  adverb        ★                    at an earlier time; in the past; already        以前；过去；已经                    ◆      You should have told me so before.      你早该告诉我的。              ◆      It had been fine the week before        (= the previous week).            前一个星期天气很好。              ◆      That had happened long before        (= a long time earlier).            那是很早以前的事了。              ◆      I think we've met before.      我觉得我们以前见过面。                  be·fore              /        bɪˈfɔː(r)                ;          NAmE                bɪˈfɔːr                /             before[bɪˈfɔ:(r)]CET4CET6TEM4考研i2191877682898142522437374512227406c368116410259573933922904182709940r705602441566821636965589784307PREP2046531140CONJ4333363489ADV10761446883Spoken:113737067之前(70%)，以前(24%)，以往(3%)，在 ... 以前(2%)，在..前面(1%)prep.在…之前，先于conj.在…以前；在…之前adv.以前；在前

word	before
content	jEPoK/1xFvkT+4I2iOf8ERW/iJZmzHQNIS9WMfXHQ57IDR+RvZFQ3LBeuM/WgWTsVfShZiXbB9lBwqvf4qbgOYHuWlI7nJrBWfj8k11FGOROy59gIDlcEhP7nndFmFz4Suz/kfoOSzIeCQbWH14J1NpaMQEZtvEvGsmrAbclHEagqCLQh+rMNx4V09OPw4gSfDX8mJHtia2iEYXoLcirHA==
Collins	before ★★★★★ /bɪfɔ͟ː(r)/ In addition to the uses shown below, before is used in the phrasal verbs ‘go before’ and ‘lay before’. 除下列用法外，before 还可用于 go before 和 lay before 等短语动词中。 1 [PREP 介词]（时间上）在…之前，早于 If something happens before a particular date, time, or event, it happens earlier than that date, time, or event. →see usage note at:ago Annie was born a few weeks before Christmas... 安妮出生在圣诞节前几周。 Before World War II, women were not recruited as intelligence officers... 在第二次世界大战之前，女性不能当情报人员。 My husband rarely comes to bed before 2 or 3am. 我丈夫很少在凌晨两三点之前睡觉。 Before is also a conjunction. Stock prices climbed close to the peak they'd registered before the stock market crashed. 股价几乎攀升到了股市崩盘前的历史最高位。 2 [PREP 介词]在（做某事）之前 If you do one thing before doing something else, you do it earlier than the other thing. [PREP -ing] He spent his early life in Sri Lanka before moving to England... 在移居英格兰之前，他早年是在斯里兰卡度过的。 Before leaving, he went into his office to fill in the daily time sheet. 离开前，他到自己的办公室填写了日常考勤表。 Before is also a conjunction. He took a cold shower and then towelled off before he put on fresh clothes. 他冲了个凉水澡，用毛巾擦干身子后换上了新衣服。 3 [ADV 副词]在（某时间或某事）以前 You use before when you are talking about time. For example, if something happened the day before a particular date or event, it happened during the previous day. [n ADV] [n PREP n] The war had ended only a month or so before. 战争大约一个月前才刚刚结束。 Before is also a preposition. It's interesting that he sent me the book twenty days before the deadline for my book. 有趣的是，他在我的书到期前20天把那本书送给了我。 Before is also a conjunction. Kelman had a book published in the US more than a decade before a British publisher would touch him. 克尔曼早在英国出版商同他接触前十多年就已经在美国出版过一本书了。 4 [CONJ-SUBORD 连词]在（他人做某事）之前 If you do something before someone else can do something, you do it when they have not yet done it. Before Gallacher could catch up with the ball, Nadlovu had beaten him to it. 加拉赫还没来得及追上球，纳德洛武就已经抢先一步触到球了。 5 [ADV 副词]以前；以往；过去 If someone has done something before, they have done it on a previous occasion. If someone has not done something before, they have never done it. [ADV after v] I've been here before... 我以前来过这儿。 I had met Professor Lown before... 我以前见过劳恩教授。 She had never been to Italy before. 她以前从来没有去过意大利。 6 [CONJ-SUBORD 连词]（直到…）才；（过了…）才 If there is a period of time or if several things are done before something happens, it takes that amount of time or effort for this thing to happen. It was some time before the door opened in response to his ring. 他按完门铃后过了一会儿门才打开。 7 [CONJ-SUBORD 连词]（必须先具备某一条件）才能；在…之前（必须具备某一条件） If a particular situation has to happen before something else happens, this situation must happen or exist in order for the other thing to happen. There was additional work to be done before all the troops would be ready. 在全军准备就绪之前，还有一些杂事必须处理。 8 [PREP 介词]（方位）在…前面，在…面前 If someone is before something, they are in front of it. [FORMAL 正式] They drove through a tall iron gate and stopped before a large white villa. 他们开车穿过一个大铁门，在一栋白色的大别墅前面停了下来。 9 [PREP 介词]（所经位置）在…前面 If you tell someone that one place is a certain distance before another, you mean that they will come to the first place first. The turn is about two kilometres before the roundabout. 拐弯就在环岛前面约2公里处。 10 [PREP 介词]面对…（回答质询） If you appear or come before an official person or group, you go there and answer questions. The Governor will appear before the committee next Tuesday. 下周二，州长将接受委员会的质询。 11 [PREP 介词]当着…的面；在…注视之下 If something happens before a particular person or group, it is seen by or happens while this person or this group is present. The game followed a colourful opening ceremony before a crowd of seventy-four thousand. 绚丽多彩的开幕式过后，这场比赛在74,000名观众的瞩目之下开始了。 12 [PREP 介词]摆在…面前；使面对；使面临 If you have something such as a journey, a task, or a stage of your life before you, you must do it or live through it in the future. [PREP pron] Everyone in the room knew it was the single hardest task before them... 房间里所有人都清楚，摆在他们面前的是最为艰巨的任务。 I saw before me an idyllic life. 展现在我眼前的是充满诗情画意的生活。 13 [PREP 介词]（重要性）超过；比…重要 When you want to say that one person or thing is more important than another, you can say that they come before the other person or thing. [v PREP n] Her husband, her children, and the Church came before her needs. 丈夫、孩子和教会都比她本人的需求重要。 14 before long→see: long ；
Oxford	be·fore ★ / bɪˈfɔː(r) ; NAmE bɪˈfɔːr / preposition , conjunction , adverb preposition ★ 1 ★ earlier than sb/sth 在…以前 ◆ before lunch 午餐前 ◆ the day before yesterday 前天 ◆ The year before last he won a gold medal, and the year before that he won a silver. 他前年得了一枚金牌，大前年得了一枚银牌。 ◆ She's lived there since before the war. 她从战前起就一直住在那里。 ◆ He arrived before me. 他比我先到。 ◆ She became a lawyer as her father had before her. 像她父亲先前一样，她成了一名律师。 ◆ Leave your keys at reception before departure. 离开前请把钥匙留在服务枱。 ◆ Something ought to have been done before now. 先前就该采取措施了。 ◆ We'll know before long (= soon). 我们很快就会知道了。 ◆ Turn left just before (= before you reach)the bank. 在快到银行时向左拐。 2 ( rather formal) used to say that sb/sth is in a position in front of sb/sth 在…面前（或前面） ◆ They knelt before the throne. 他们跪在御座前。 ◆ Before you is a list of the points we have to discuss. 放在你面前的是一份我们所要讨论的要点清单。 ☞compare behind prep. 3 ★ used to say that sb/sth is ahead of sb/sth in an order or arrangement （次序或排列）在前面 ◆ Your name is before mine on the list. 名单上你的名字在我之前。 ◆ He puts his work before everything (= regards it as more important than anything else). 他一切以工作为重。 4 ★ used to say that sth is facing sb in the future （表示面临或临近） ◆ The task before us is a daunting one. 我们所面临的任务令人胆怯。 ◆ The whole summer lay before me. 整个夏季正等待着我。 5 in the presence of sb who is listening, watching, etc. 当面 ◆ He was brought before the judge. 他被带上法庭。 ◆ She said it before witnesses. 她当着证人的面讲出这事。 ◆ They had the advantage of playing before their home crowd. 他们有在主场观众面前比赛的优势。 6 ( formal) used to say how sb reacts when they have to face sb/sth （表示面对某人、某事时的反应） ◆ They retreated before the enemy. 面对敌人，他们撤退了。 conjunction ★ 1 ★ earlier than the time when 在…以前 ◆ Do it before you forget. 尽早动手，免得忘了。 ◆ Did she leave a message before she went? 她走之前留言了吗？ 2 ★ until 到…为止；到…之前 ◆ It may be many years before the situation improves. 这种状况或许要过很多年才能得到改善。 ◆ It was some time before I realized the truth. 过了很长一段时间我才悟出真相。 3 ★ used to warn or threaten sb that sth bad could happen 以免；不然 ◆ Put that away before it gets broken. 把它收好，免得砸碎了。 4 ( formal) rather than （宁可…而）不愿 ◆ I'd die before I apologized! 我宁愿死也不道歉！ adverb ★ at an earlier time; in the past; already 以前；过去；已经 ◆ You should have told me so before. 你早该告诉我的。 ◆ It had been fine the week before (= the previous week). 前一个星期天气很好。 ◆ That had happened long before (= a long time earlier). 那是很早以前的事了。 ◆ I think we've met before. 我觉得我们以前见过面。 be·fore / bɪˈfɔː(r) ; NAmE bɪˈfɔːr /
LDC	before1 conjunction before2 preposition before3 adverb beforebe‧fore1 /bɪˈfɔː $ -ˈfɔːr/ ●●● S1 W1 conjunction Examples Thesaurus Collocations Phrases 1earlier than a particular event or action OPP after: Say goodbye before you go. I saw her a few days before she died.2so that something does not or cannot happen: Put that money somewhere safe before it gets stolen. That dog ought to be destroyed before it attacks any more children. Before I could say anything more, Holmes had rushed off towards the station.3used to say that something happens after a period of time: It was several minutes before we realised what was happening. It will be a while before we know the results.4used to say that something must happen in order for something else to be possible: You have to pass a test before you can get a licence.5 spoken used to warn someone that something bad will happen to them if they do not do something: Get out before I call the police!6used to emphasize that someone does not want to do something: She would die before she would admit she was wrong.GRAMMAR: Choosing the right tenseYou use the present simple with before to talk about a future event. Don’t use ‘will’. You say: · I want to get home before it rains. ✗Don’t say: before it will rainGrammar guide ‒ VERBS before1 conjunction before2 preposition before3 adverb beforebefore2 ●●● S1 W1 preposition Word Origin Examples Thesaurus Collocations Phrases 1earlier than something or someone OPP after: The new road should be completed before the end of the year. Let’s meet at our house before the show. Larry arrived home before me.five minutes/two hours etc before something Hugh arrived just five minutes before the ceremony.before doing something I usually take a shower before having my breakfast. We only got back from Scotland the day before yesterday (=two days ago). Other students joined in the protest, and before long (=soon) there was a crowd of 200 or so.2ahead of someone or something else in a list or order OPP after: You were before me in the queue. The files are in alphabetical order, so B1 comes before C1.3used to say that something happens where it can be watched by people SYN in front of: Italy will face Brazil this afternoon before a crowd of 100,000 spectators. an actor who had performed before the Queen4used to say that someone or something comes to be judged or considered by a person or group of people: The proposal was put before the planning committee.5used to say that one thing or person is considered more important than another: I put my wife and kids before anyone else. In the air transport business, safety must always come before profit.6formal in front of something or someone: The priest stood before the altar. The sea stretched out before them.7if one place is before another place on a road or journey, the first place is nearer to you than the second, so you will reach it first OPP after: The pub is 100 metres before the church on the right. the last station before the Simplon Tunnel8formal if there is a job or situation before you, you will have to do the job or face the situation SYN ahead of: The task of emptying the house lay before us.9formal if a period of time is before you, it is about to start and you can do what you want during it SYN in front of: We had a glorious summer afternoon before us to do as we pleased. You have your whole life before you.THESAURUSbefore earlier than something or someone: · She could read before she started school.· Do you want to have a shower before me?prior to formal before something happens: · Please arrive at the airport two hours prior to departure.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.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. before1 conjunction before2 preposition before3 adverb beforebefore3 ●●● S1 W1 adverb Examples Thesaurus Collocations Phrases 1at an earlier time: Haven’t I met you before somewhere? Never before had he seen so many people starving. She looked just the same as before.2the day/week/month etc before the previous day, week, month etc OPP after: She was in Paris last week and in Rome the week before.3 old use ahead of someone or something else: The king’s herald walked before.
WDF	before [bɪˈfɔ:(r)] CET4CET6TEM4考研 i219 187768 28981 42522 43737 45122 27406 c368 116410 25957 39339 22904 18270 9940 r705 60244 15668 21636 9655 8978 4307 PREP204 6531140 CONJ433 3363489 ADV1076 1446883 Spoken: 113737067 之前(70%)，以前(24%)，以往(3%)，在 ... 以前(2%)，在..前面(1%) prep.在…之前，先于 conj.在…以前；在…之前 adv.以前；在前

Time I Earlier The Prep 介词 Person Formal

before

Spoken: