If we do not know the facts, we are in no position to handle such matter.

不了解情况，就无从解决这类问题。

《新英汉大辞典》

I do not know the Lord and I will not let Israel go.

我不认识耶和华，也不容以色列人去。

youdao

But many people do not know the true meaning of freedom.

但是许多人仍然不知道自由的真意为何。

youdao

He told the president, "You do not know the dishonest purposes of those men as well as I do."

VOA: special.2009.08.13

We need to know not only what are the primitives, but how do we make things meaningful in that language.

我们不仅需要知道什么是基本类型，还要知道我们在那种语言中,怎样使其变得有意义。

麻省理工公开课 - 计算机科学及编程导论课程节选

when other people that might not have been involved with the sport wouldn't really know what to do.

而或许没参与过这项运动的人连做什么都不知道。

体育相片的魅力 - SpeakingMax英语口语达人

" The Estimate also states: "We do not know the status of this arrangement.

CNN: Text of CIA Director George Tenet's statement

" I said: "I have not been told and do not know the true position.

BBC: [an error occurred while processing this directive]

General Verrilli: It is not, and I do not know the answer to that, Your Honor.

WSJ: Henninger: Is the South Still Racist?