We had prepared the Polyjuice Potion beforehand.

我们事先配好复。

Do we need an appointment beforehand?

那我们要提前预约吗？

As you know, the hunter-gatherer economy which existed beforehand was based on small scattered groups.

如你所知，之前狩猎经济的存在以小型分散族群为基础。

It must not exist beforehand but come into being in the moment it is expressed.

它不应预先存在，而应在它被表达的那一刻形成。

Pleasure not known beforehand is half wasted; to anticipate it is to double it.

快乐如果没能预先知道，那就浪费一半；如果有所企盼，那就等于获得加倍的快乐。

Around 30 seconds beforehand, she had her head up and was looking straight at me.

大概三十秒之前，她抬起头，直直地盯着我看。

In fact, you'll no doubt pass it as you're walking around beforehand.

事实上，只要你向前走就肯定会经过它。

But I was ever so nervous beforehand.

但我事先非常紧张。

You're going to show me the moves five minutes beforehand.

在拍的五分钟之前，告诉我怎么走棋。

Whether you use barbells, dumbbells or machines, there is no need to stretch beforehand.

无论你用杠铃、哑铃械，都不需要事先拉伸。

Next time you give me a spoiler, make sure you say " spoiler alert" beforehand!

下一次你给我剧透时，一定要事先说出" 剧透警报" ！

She is a little bit insane, yeah. She had a very sad love story beforehand.

她有些疯狂。她之前经历过一段非常悲伤的爱情。

She ought to have reported it to the boss beforehand.

她本应该事先向老板报告的。

If I'd known what I was making beforehand it would've taken 15 minutes, not thirty.

如果我事先知道我要做什么，就只需要 15 分钟，而不 30 分钟。

Now, if you still want to train without eating beforehand, then that's fine.

现在，如果你仍然想在不吃东西的情况下训练，那没关系。

I think staying on top of, you know, stretching out and loosening up beforehand.

我认为最重要的提前拉伸和放松。

But they do not have any awareness of the question beforehand.

但他们事先并没有想到过这个问题。

" But making a plan carefully beforehand is important, " Yu said.

她说，“但事先仔细制定出行计划很重要。”

That was the exact time that a magnitude 9.0 earthquake struck five years beforehand.

5年前正这个时间，日本发生震级9.0的地震。

Uh, in the future, if I could see the schedule beforehand...

下一次的时间表，可不可以先让我看看？