beforehand
英 [bɪˈfɔːhænd]
美 [bɪˈfɔːrhænd]
adv. 预先; 事先
Collins.1 / BNC.6844 / COCA.10479
同义词辨析
beforehandahead【导航词义：事先，提前】
beforehandadv. 事先，预先，事前
〔辨析〕
指在时间上先于另一事发生或完成，尤用于谈论准备或计划的事情。
〔例证〕
If you have completed most of the homework beforehand, you'll enjoy the evening more.
如果你预先把大部分家庭作业做完了，这个晚上你会玩得更开心。
Please inform us of your arrival time beforehand.
请事先通知我们你抵达的时间。
Saunas can be dangerous if misused. Avoid a big meal beforehand.
洗桑拿浴如果方法不当会有危险，浴前切忌饱食。
How could you tell beforehand that I was going to buy a Ford?
你怎么会事先知道我要买一辆福特轿车？
如果你预先把大部分家庭作业做完了，这个晚上你会玩得更开心。
Please inform us of your arrival time beforehand.
请事先通知我们你抵达的时间。
Saunas can be dangerous if misused. Avoid a big meal beforehand.
洗桑拿浴如果方法不当会有危险，浴前切忌饱食。
How could you tell beforehand that I was going to buy a Ford?
你怎么会事先知道我要买一辆福特轿车？
aheadadv. 事前，提前
〔辨析〕
词义同 beforehand，常可换用；但以 ahead of time/schedule 出现时，则其中的 ahead 不可与 beforehand 换用。
〔例证〕
Do book ahead/beforehand as the hotel is very popular.
该酒店非常受欢迎，请务必提前预订。
Winter weddings need to be arranged months ahead/beforehand.
在冬季举行婚礼需要提前几个月作安排。
If you had warned me ahead of time, I wouldn't have done that.
如果你预先警告我，我就不会那样做了。
The train left 3 minutes ahead of schedule.
火车提前3分钟离站了。
该酒店非常受欢迎，请务必提前预订。
Winter weddings need to be arranged months ahead/beforehand.
在冬季举行婚礼需要提前几个月作安排。
If you had warned me ahead of time, I wouldn't have done that.
如果你预先警告我，我就不会那样做了。
The train left 3 minutes ahead of schedule.
火车提前3分钟离站了。
牛津词典
adv.
- 预先；事先
earlier; before sth else happens or is done- two weeks/three days/a few hours beforehand
提前两星期 / 三天 / 几小时 - I wish we'd known about it beforehand.
要是我们预先知道这事就好了。
- two weeks/three days/a few hours beforehand
柯林斯词典
- ADV 预先；事先；提前
If you do somethingbeforehand, you do it earlier than a particular event.- How could she tell beforehand that I was going to go out?...
她怎么会事先知道我要出去？ - Saunas can be hazardous if misused. Avoid a big meal beforehand.
洗桑拿浴如果方法不当会有危险，浴前切忌饱食。
- How could she tell beforehand that I was going to go out?...
英英释义
adv
- ahead of time
- when you pay ahead (or in advance) you receive a discount
- We like to plan ahead
- should have made reservations beforehand
双语例句
- But I knew all that beforehand.
但是我预先都知道了。 - It wasn't a spur-of-the-moment decision. We discussed it in detail beforehand.
这可不是头脑一热作出的决定。我们事先仔细地讨论过。 - And I was led by the Spirit, not knowing beforehand the things which I should do.
和我所领导的精神，事前不知道的事情，我应该做的事。 - Claire wished she'd primed Sarah beforehand
克莱尔真希望她事先指点过萨拉。 - And if you know beforehand will you not be sad?
如果你提前知道了，你就不会难过了吧？ - If I'd known this beforehand, I would not have gone back.
早知如此，我就不回去了。 - Behold I have told it to you, beforehand.
看，我预先告诉了你们。 - We had to get these animals over beforehand.
我们得先把这些牲畜赶过去。 - If you want me to put your case forcibly, you must brief me thoroughly beforehand.
要是你想让我把你的案子处理得有说服力，你先得原原本本地向我介绍情况。 - He declares that this escapade is his own idea and that Hitler was unaware of it beforehand.
他宣称，这次出奔是由于他自己的意思，希特勒事前并不知情。