Watch for someone to fill you in or perhaps you will discover useful information on your own.

留心有人会为你带来消息，又或许你会自己发现一些有用的信息。

youdao

We'll have to find someone to fill in for Francis tonight as he's ill.

费朗西斯病了，我们得找个什么人今晚顶替他。

youdao

I take the liberty to write you in the hope that you might need someone to fill in for you.

向阁下写信，希望填补贵公司可能的空缺，至感冒昧。

youdao