Do we need an appointment beforehand?

那我前预约吗？

We had prepared the Polyjuice Potion beforehand.

我事先配好复方汤剂。

You must have some preparation beforehand.

你肯定会事先做一些准备。

But I was ever so nervous beforehand.

但我事先非常紧张。

Residents have been warned to get out beforehand.

已前警告居民撤离。

Let me buy the tickets beforehand.

我来前订票。

She ought to have reported it to the boss beforehand.

她本应该事先老板报告的。

People with cheaper tickets have to arrive two weeks beforehand.

买便宜球票的人只好前两个星期赶到。

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。

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

但是他事先并没有想到过这个问题。

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？

To articulate their concerns beforehand, will hopefully avoid grief in the future.

人事先表达出他的担心，是希望避免未来的不幸。

When you give a speech, it’s natural to feel nervous beforehand.

【beforehand】你在演讲之前感到紧张是很自然的。

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

事实上，只你前走就肯定会经过它。

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

我认为最重的是前拉伸和放松。

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

5年前正是这个时间，日本发生了震级9.0的震。

Most snakes, however, will use one of two strategies to kill their prey beforehand.

然而，大部分的蛇杀死猎物的方法有以下两种。

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

她是有些疯狂。她之前经历过一段非常悲伤的爱情。

Yes, and I imagine he'd like us to have the math worked out beforehand.

没错，我猜他一定希望我能在送他上去之前落实相关计算。

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

如果我事先知道我做什么，就只需 15 分钟，而不是 30 分钟。