It's a long story so I'll boil it down.

要说的话太多，所以我就长话短说。

youdao

The sauce is much too salty. I think you should add some water and boil it down.

酱太咸了。我觉得你应该加点水熬煮一会儿。

youdao

While I haven’t read the book yet, I’ve been following the blog since its inception, and to boil it down to its essence: men are not quite sure how to be anymore.

尽管我还没读过该书，但那个博客自设立以来我就一直在跟踪着，并把其中的内容浓缩为以下这一点：对于如何做男人，他们也犯迷糊了。

youdao

You are going to take this entire issue and boil it down to 30 second ads."

VOA: standard.2009.07.31

That's what it's all going to boil down to.

这就是这节课的最重要的要求

耶鲁公开课 - 基础物理课程节选

So let me boil it down for you.

FORBES: Mitt Romney's Bold Vision For America's Energy Independence

First, let me try and boil the issue down it.

FORBES: Freedom and the Workplace

So let me try to boil it down to a simple recommendation.

CNN: PTSD: Know the symptoms and when to get help