before

美音：[bɪ'fɔr] 英音：[bɪ'fɔː(r)]

简单释义：

adv.以前；过去；已经

conj.以免；不然；在…以前；到…为止

prep.在…以前；在…面前（或前面）；（次序或排列）在前面；表示面临或临近

网络之前；在……之前；在……前面

完整释义：

adv.

1.以前,早先,过去,刚才
2.在以前,从前,前此;较早
3.在前,在前方,在前头,在前面
4.往常,以往的

prep.

1.在…前,在…之前,在…面前
2.在…以前;较…早[先]
3.在…的前面;当着…的面;向…;〔转义〕借…的力,被…推着;有…等待着,向…开放,供…使用
4.先于,优于
5.限…比起来
6.面对着
7.与其…(不如),宁可…(也不)
8.顺着
9.遇到
10.不止

conj.

1.…之前,在…以前
2.〔表示时间关系〕比…早些,在…以前;还没有…(就);然后再,再;就;才
3.俟…后再…
4.没,没来得及,…时就…
5.以免
6.不然,不然的话
7.〔表示选择关系〕与其…(不如);(宁愿);…也不
8.总算

例句：

As you might have guessed, I'm hoping that this bottle will work its magic, as it did once before, and somehow bring us back together.
你可能已经猜到，我希望这个瓶子能像它曾经那样，产生神奇的力量，让我们在走到一起。
The man was much taller than Robin. And he had better build, too. Still Robin did not plan to let man cross the bridge before him.
那个人比罗宾高出了许多，身材也比罗宾魁梧。不过罗宾仍然不打算让这个人先过桥。
Two years, we have not had red face, monmouth, there was no worry about the University before any unhappy things.
两年里，我们没有红过脸，没有吵过嘴，没有发生上大学前所担心的任何不开心的事情。
Instead it is forced to stop against the bottom of the other floats, and then slide to the side just like before.
这样，它会被强制停止到另一个浮动的底部，然后向之前那样进行滑行。
I really should have gone through it with a fine tooth comb before I started writing and I didn't.
我真的应该在写作之前好好地梳理一下思路，但我没有。
in this week's mailbag, especially after he made some comments at a function on Wednesday night, just two days before his trade to Detroit.
雨刷伯在本周的球迷们邮件中是一个被广为谈论的话题，特别是在星期三晚上的一些特别的评论之后，在他被交易到底特律的两天前。
Before she spoke again she studied Homer's eyes and Homer knew that she knew the message was not a welcome one.
在她再次开口之前，她仔细观察了霍默的眼神。霍默知道，她已经明白，这份电报是份不受欢迎的电报。
She had never seen this done before. No one taught her to bend this into a hook; had shown her how it could happen.
之前也没有任何人或者别的乌鸦教它如何把线弯成钩子；或者告诉过它可以通过这种方式捞肉。

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