in advance

提前, 预先

例句与用法：

Before visiting him, I called him up in advance.

在拜访他之前，我先打电话给他。

To make sure that he was at home, I called him up in advance.

为了确定他在家，我事先打电话给他。

Suppose I reserve seats in advance.

我先去定好座位吧。

If you warn me in advance, I will have your order ready for you.

你若预先通知我，我就能给您准备好了。

Care or preparation in advance; foresight.

先见，提前考虑或准备; 远见

Send your luggage on in advance.

请把行李预先送出。

As long as you've paid in advance we won't charge you for delivery.

只要你预先付款，我们就不收你送货费。

To ride in an aeroplane you have to book in advance.

要乘飞机必须提前定位子。

详细释义：

1. 在前面

The guard of honor marched in advance.

仪仗队走在前面。

2. 预先

I ought to have told you in advance.

我应该事先告诉你。