Do not be afraid to say you do not understand.

不要害怕说你不懂。

youdao

You do not understand the world.

你不了解这个世界。

youdao

You do not understand the story, the background, what happened before, and what happens next.

你不了解这个故事、其背景、之前发生了什么以及接下来会发生什么。

youdao

"Come on." she says. "You do not need to be a rocket scientist to understand this."

VOA: special.2010.06.27

It does not take one to know one; to understand the truths about the French, you do not yourself need to be French.

这不需要同类互知,你不需要是法国人,才能了解法国人

耶鲁公开课 - 死亡课程节选

They say that you do not need to be extremely intelligent to understand something.

VOA: special.2010.06.27

Is there anything you do not understand, is there anything you understand only partially?

FORBES: Ernst & Young Outline New Vision of Patient-Centric Healthcare

If you do not understand the difference between the different indexes each fund tracks, you run the risk of either doubling up on South Korea or excluding it altogether.

FORBES: Emerging Market Flavors Taste Differently At Schwab, Vanguard, iShares

If you do not understand the basis on which a firm is offering you redress, or have questions about the actual figures involved, you should first ask the firm to clarify how they have arrived at their calculations.

BBC: NEWS | Business | Ask the expert special: Endowments