英 [bɪˈfɔː(r)] 美 [bɪˈfɔːr]
prep. （时间上）在……之前，早于；在（某个钟点）之前；（次序）在……之前；当面，在……面前；由……考虑中；面对（法院，法庭或其他官方机构）并受审；比……更重要；（位置）在……前面；（未来将发生的事）等待着，面临着；（宁可……而）不愿……；在……影响下，在……威慑下
conj. 在……以前；到……为止；以免，不然；（先）……才……；（宁可……而）不愿
adv. 以前，过去；在（某时间或某事）以前；在前面
before /bɪˈfɔː/ CET4 TEM4
介词 If something happens before a particular date, time, or event, it happens earlier than that date, time, or event. 在 (某日、某时、某事件) 以前
Annie was born a few weeks before Christmas.
安妮在圣诞节前几个礼拜出生。
Before World War II, women were not recruited as intelligence officers.
二战前，女性不被征募为情报官。
连词 Before is also a conjunction. 在 (某日、某时、某事件) 以前
Stock prices have climbed close to the peak they'd registered before the stock market crashed in 1987.
股票价格已经快爬升到了1987年股市崩溃前的最高纪录。
介词 If you do one thing before doing something else, you do it earlier than the other thing. 在 (做某事) 之前
He spent his early life in Sri Lanka before moving to Canada.
移居加拿大前，他早年生活在斯里兰卡。
连词 Before is also a conjunction. 在 (做某事) 之前
He took a cold shower and then towelled off before he put on fresh clothes.
他穿上干净衣服之前，冲了个冷水澡，再擦干身子。
副词 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. (某时、某事) 以前
The war had ended only a month or so before.
战争大约在一个月前才结束。
介词 Before is also a preposition. (某时、某事) 以前
It's interesting that he sent me the book twenty days before the deadline for my book.
有趣的是，在距离我书的截止日期20天前他把那本书寄给了我。
连词 Before is also a conjunction. (某时、某事) 以前
Kelman had a book published in the U.S. more than a decade before a British publisher would touch him.
科尔曼在美国已经出版了一本书，十多年后英国的出版商才愿意出版他的作品。
连词 If you do something before someone else can do something, you do it when they have not yet done it. 在 (某人能做某事) 之前
Before Gallacher could catch up with the ball, Nadlovu had beaten him to it.
在加拉赫能接住球之前，纳德洛夫就已经比他先接到了。
副词 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. 以前 (做过某事)
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。
连词 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. 经过 (一段时间或努力) 才
It was some time before the door opened in response to his ring.
他按过门铃后好一会儿门才打开。
连词 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. 在 (某事发生) 之前 (另一情况必须发生)
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些事情要做。
介词 If someone is before something, they are in front of it. 在 (某物) 前面
They drove through a tall iron gate and stopped before a large white villa.
他们开车穿过一扇高高的铁门，然后停在了一幢白色大别墅前。
介词 If you tell someone that one place is a certain distance before another, you mean that they will come to the first place first. 在 (某地) 前方 (某距离处)
The station is on the right, one mile before downtown Romney.
车站在右侧，罗姆尼市中心前方一英里处。
介词 If you appear or come before an official person or group, you go there and answer questions. 在 (人或组织) 面前 (回答提问)
The governor will appear before the committee next Tuesday.
这名行政官员将于下周二面对该委员会回答提问。
介词 If something happens before a particular person or group, it is seen by or happens while this person or this group is present. (发生) 在 (某人、某组织) 面前
The game followed a colourful opening ceremony before a crowd of seventy-four thousand.
紧随一场精彩的开幕式，该比赛在7.4万名观众面前拉开了帷幕。
介词 If you have something such as a trip, a task, or a stage of your life before you, you must do it or live through it in the future. (必须经历的事情) 在 (某人) 面前
Everyone in the room knew it was the single hardest task before them.
屋子里每个人都知道这是摆在他们面前的一项最艰巨的任务。
介词 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. (重要性) 以…为先
Her husband and her children came before her needs.
她的丈夫和孩子们比她的需要更重要。
before long→seelong
此时，固然拜仁之前(Before)攻击打的栩栩如生，但是在(Is)一直稳当的有着“老妇人(Woman)”之称的尤文保卫之下，在一向有着“神经放肆“的范加尔(Bengal)指挥...
... Is there a bus stop near by? 请 问 附 近 有 没 有 公 车 站 ？ Before 之 前 Front 前 方 ...
... 基本类型的自动装箱和自动拆箱AutoboxingandAuto-unboxingofPrimitiveTypes 以前Before 使用自动装箱和自动拆箱后After ...
...日太原(Taiyuan)报道）8日，国家二将迎来与巴西帕尔梅拉斯青年队的友谊赛，今天晚上，二队在太原山西体育中心进行了赛前(Before)训练，尽管(Although)是场热身赛，但国家二队十分，希望国家二队的。
He paused before answering.
他在回答前停了下来。
We left before daybreak.
我们是在黎明前出发的。
I've been here before.
我以前来过这儿。
But he had to give up hope for both houses of Congress to pass bills before their August break.
VOA : special.2009.07.25
Milton wants to write an epic that in some ways comes before, or prevents, the great epics of Homer and Virgil.
弥尔顿想写一首在某种程度上先于，荷马和维吉尔伟大史诗的史诗。
弥尔顿课程节选 : 耶鲁公开课
To me it's about how to live more fully like what we were talking before, in this moment, not an isolation.
对我而言这更多是像之前所说,如何更充实地活，活在当下，不是与世隔绝。
人性课程节选 : 普林斯顿公开课
In the weeks before her death she won her twenty-ninth Blues Music Award, the most for any artist ever.
VOA : special.2009.06.12
It is always a good idea to keep a lot of necessary supplies in the home even before winter begins.
VOA : special.2010.01.05
Neither group will be able to grasp the full situation before the program begins to unravel.
Lucky for the laggards, there are some advantages to having waited before jumping online.
Hirsh did a lot of work for hire before he got to that point.