I'm a tech writer; I need to understand this stuff.

我是一个科技作者，我需要清楚这玩意。

youdao

I need to understand how I will represent events and transitions.

我需要知道如何表示事件和转换。

youdao

What I need to understand, today, is how new diseases get diagnosed.

我需要了解，今天，是如何获得新的疾病诊断。

youdao

"I think the world need to understand that this is the new challenge of the 21st century, and this is the new war,"

VOA: standard.2009.05.10

I don't expect you'll all immediately grab it, but you will need to understand it before the quiz comes along.

我不期望你们马上就能掌握，但是你们需要在,考试前弄懂它。

麻省理工公开课 - 计算机科学及编程导论课程节选

So that way you can have an idea if, oh, I do really understand this but I'm a little bit slow, maybe I need to practice this one type of problem a little bit longer so I can get up to speed so I'm going to be able to get through all this in terms of the exam time.

这样你就可以知道，假设，噢，我真的懂这个，但是我的速度有点慢，或许我需要在练习这个类型的题目上,多花一点时间,这样我就可以提高自己的速度,可以全部做完,在考试规定的时间内。

麻省理工公开课 - 化学原理课程节选

"I need to better understand what's going on, " he said.

BBC: Pentagon's new chief Hagel visits Afghanistan

If liberty is to prevail then I think people need to understand that a possible market failure is not necessarily an unambiguous and overwhelming case for government intervention.

FORBES: Thoughts on Liberty and Society

So I think we need to understand where it comes ashore in a marshland, there is a depth component to this and the effect could be far greater than that.

WHITEHOUSE: Daily Press Briefing