The addition of irrelevant details muddied the main point of the discussion.

添加无关的细节使混乱了讨论的要点。

Thrust: the main point of an argument, a policy, etc.

（论据、政策等的）要点，要旨，重点

This is the main point and innovation of this text too.

这也是本文的要点和创新点。

We can sum up the main point of the lesson in three sentences.

我们可以用三句话来概括本课要点。

Scan the newspaper article and make a note of the main point.

把这篇文章浏览一下，并把文章要点记下来。

Can sum up the main point of the lesson in three sentences.

我们可以用三句话来概括本课要点。宣判，判决

The speaker took far too long leading up to her main point.

演讲者转弯抹角地谈了很久才谈到她的要点。

The chair took far too long working round to his main point.

会议主席说了好长时间才慢慢谈到他讲话的要点.

He doesn't come near to touching the main point, but shies away into side issues.

他不去触及要点，却扯到枝节问题上去了。

The main point of hot piping design and the method to handle piping thermal expansion were obtained.

得出设计热配管的要点及应对配管热膨胀的方法。