I'll tell you what—let's stay in instead.

听我说，咱们还是待在家里吧。

《牛津词典》

Well, I'll tell you what I'll do.

好吧，那我就告诉你我将怎么办。

youdao

I'll tell you what happened afterward.

我告诉你后来发生了什么事。

youdao

Andy agreed with him. "I'll tell you what I am willing to do." said Andy.

VOA: special.2010.04.24

Having said that, I'll tell you what the homework assignment's going to be about.

说了这么多,我将要告诉你们家庭作业任务是什么

耶鲁公开课 - 博弈论课程节选

I'll tell you what reaction I hope I get from the Russians.

我可以事先告诉你们,我所希望得到的俄方反应。

耶鲁公开课 - 金融市场课程节选

I'll tell you what kind: The kind who probably shouldn't have one in the first place.

CNN: Teachers with guns is a crazy idea

O'NEILL: I won't give you a preview but I'll tell you what the direction is going to be.

CNN: Treasury Secretary Paul O'Neill

I'll tell you what -- let's take a break here and get some things out of the way.

CNN: Going after Clemens stupid, political