So far we do not know how much of a problem it might be.

到目前为止，我们还不知道这个问题的严重性。

youdao

Unfortunately, we do not know how to build rockets that fast!

遗憾的是我们不知道怎样制造这么快的火箭！

youdao

I will willingly go away with you, but I do not know how to get down.

我很愿意和你一起走，但是我不知道怎么下去。

youdao

The jester said, "If these wise men do not know how to hide the moon, then the moon cannot be hidden."

VOA: special.2009.03.28

and they do not know how to fix the tire.

而车上的人对此束手无策。

I can 课堂 - SpeakingMax英语口语达人

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

The details will have to be negotiated with Congress, so we do not know how it all works.

NPR: Listeners' Money Questions Answered

For instance, Britain's donors, argues Lord Joffe, often do not know how much they should give.

ECONOMIST: Why a new golden age of philanthropy may be dawning

We still do not know how these two drugs compare in safety and effectiveness.

FORBES: AstraZeneca Study is Good News for the Public, Bad News for AstraZeneca