go before

走在前面
居先

例句与用法：

The present crisis is more than any that have gone before.

目前的危机比以前发生过的都严重。

I have a long way to go before dark. I'm going to head out.

天黑前我还有很远的路要走，我得上路了。

With only a week to go before the election things are really hotting up.

还有一个星期就要进行选举，一切越来越紧张了。