副詞以前；過去；已經(jīng)conj.以免；不然；在…以前；到…為止介詞在…以前；在…面前（或前面）；（次序或排列）在前面；表示面臨或臨近網(wǎng)絡(luò)之前；在……之前；在……前面
副詞
1. Several soldiers went before to scout.
數(shù)名士兵在前面探路。
2. He was never late before.
過去他從不遲到。
介詞
1. Pride comes before a fall.
驕必敗。
2. before的翻譯
2. He sat just before me.
他就坐在我的前面。
連詞
1. He will die before he shall disgrace himself.
他寧肯死而決不受侮辱。
交通
B：Let the people (off/ get off/ disembark from) the train before you get on.
讓別人（先下/先下來/先下車）你再上去。
A：I see, that makes more sense, doesn’t it?
我知道。這樣更合理，不是嗎？
A going concern-(贏利企業(yè))
A：What's your overseas branch factory going?
你海外的分廠進(jìn)展如何？
B：Not very good at first. It has been two years before it becomes a going concern.
開始不太理想，直到兩年以后才開始贏利。
before
A：Once you break the ice, it will be better and better.
一旦打開局面，肯定會越來越好的。
B：I hope so.
但愿如此。
Leaving a little early-(早退)
A：Could I trouble you for a minute, Mr. Graham?
能打擾一下嗎，格雷厄姆先生？
B：Sure, Emily. How can I help you?
沒問題，愛米麗。我能幫你什么？
A：I would like to leave a few minutes early today. Would that be all right?
我今天想早走幾分鐘，可以嗎？
B：That’s fine, as long as you can get that report typed up before you leave.
可以。只要你走之前把那份報告打完就成。
1. （時間上）在…之前，早于
If something happens before a particular date, time, or event, it happens earlier than that date, time, or event.
before的意思
e.g. Annie was born a few weeks before Christmas...
安妮出生在圣誕節(jié)前幾周。
e.g. Before World War II, women were not recruited as intelligence officers...
在第二次世界大戰(zhàn)之前，女性不能當(dāng)情報人員。
2. 在（做某事）之前
If you do one thing before doing something else, you do it earlier than the other thing.
e.g. He spent his early life in Sri Lanka before moving to England...
在移居英格蘭之前，他早年是在斯里蘭卡度過的。
e.g. Before leaving, he went into his office to fill in the daily time sheet.
離開前，他到自己的辦公室填寫了日?？记诒?。
3. 在（某時間或某事）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.
e.g. The war had ended only a month or so before.
戰(zhàn)爭大約一個月前才剛剛結(jié)束。
4. 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
e.g. Before Gallacher could catch up with the ball, Nadlovu had beaten him to it.
加拉赫還沒來得及追上球，納德洛武就已經(jīng)搶先一步觸到球了。
5. 以前；以往；過去
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.
e.g. I've been here before...
我以前來過這兒。
e.g. I had met Professor Lown before...
我以前見過勞恩教授。
6. （直到…）才；（過了…）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.
e.g. It was some time before the door opened in response to his ring.
他按完門鈴后過了一會兒門才打開。
7. （必須先具備某一條件）才能；在…之前（必須具備某一條件）
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.
e.g. There was additional work to be done before all the troops would be ready.
在全軍準(zhǔn)備就緒之前，還有一些雜事必須處理。
8. （方位）在…前面，在…面前
If someone is before something, they are in front of it.
before的意思
e.g. They drove through a tall iron gate and stopped before a large white villa.
他們開車穿過一個大鐵門，在一棟白色的大別墅前面停了下來。
9. （所經(jīng)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.
e.g. The turn is about two kilometres before the roundabout.
拐彎就在環(huán)島前面約2公里處。
10. 面對…（回答質(zhì)詢）
If you appear or come before an official person or group, you go there and answer questions.
e.g. The Governor will appear before the committee next Tuesday.
下周二，州長將接受委員會的質(zhì)詢。
11. 當(dāng)著…的面；在…注視之下
If something happens before a particular person or group, it is seen by or happens while this person or this group is present.
e.g. The game followed a colourful opening ceremony before a crowd of seventy-four thousand.
絢麗多彩的開幕式過后，這場比賽在74,000名觀眾的矚目之下開始了。
12. 擺在…面前；使面對；使面臨
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.
e.g. Everyone in the room knew it was the single hardest task before them...
房間里所有人都清楚，擺在他們面前的是最為艱巨的任務(wù)。
e.g. I saw before me an idyllic life.
展現(xiàn)在我眼前的是充滿詩情畫意的生活。
13. （重要性）超過；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.
before的近義詞
e.g. Her husband, her children, and the Church came before her needs.
丈夫、孩子和教會都比她本人的需求重要。
14. before long -> see long