•You should always wash your hands before meals.饭前应该洗手。

•Before leaving he said goodbye to each of them.他离开前向每个人告别。

•She's always up before dawn.她总是在天亮前就起床了。

•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，还有人想说甚么吗？

•She had to give the doorman a tip before (= in order that) he would help her with her suitcases.她要给看门房小费，让他帮忙提箱子。

•It was an hour before the police arrived.员警一小时后才赶到。

•He said he had never seen her before.他说他以前从未见过她。

•I feel as though I've been here before.我觉得以前好像曾到过这里。

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•The letter K comes before L in the English alphabet.在英文字母表中，K排在L前面。

•Many mothers put their children's needs before their own.很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 shall we do?我们有整个周末的时间——做些甚么呢？

•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。

•The bus stop is just before the school.公车站就在学校的前面。

•The proposal before the committee is that we try and reduce our spending by 10%.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。