beforehand

UK:  [bɪ'fɔː(r)hænd]

US:  [bɪ'fɔr.hænd]

adv.

1.事先,预先

2.预先,事前

3.赶先,超前,提前

4.先行

1 . The umbrella-species concept is often applied in forest management yet rarely tested beforehand.
虽然保护伞物种概念经常被应用在森林管理上，但却鲜少被验证。

2 . It was one of those moments which I live to regret now. There was no tackle on me beforehand, so it wasn't retaliation.
总有些时候让我后悔，之前我也没挨踢，所以也不能说是报复。

3 . 4 For even when we were with you, we told you beforehand that we are to be afflicted, even as it also came to pass and you know.
帖前三4我们在你们那里的时候，预先告诉你们，我们将会受患难，这果然发生了，你们也知道。

4 . When volunteers were shown a picture of the letter beforehand, this did not make an invisible version of that letter more visible.
当志愿者面前示以字母的图片时，这并不能使不可见的字母可见。

5 . Taxis are a common ruse for a scam. Never get into a cab unless you're sure it's reputable, and always agree on a price beforehand.
在出租车上出现陷阱最为普遍。不要轻易搭乘出租除非你确定他有良好的信誉，并预先订好价格。