know-nothing

However, we can know nothing through this process about the "numina" (inward realities) of nature.

但是，在一过程中，我们对自然界的“numina”（内在现实）依然毫无所。

This might seem very perplexing to those who know nothing about it.

对那些对它一无所的来说可能显得很难理解。

I know nothing at all about the recent happenings there.

对那里近来发生的事我一点儿也不道。

I hasten to add that I knew nothing of the fraud at the time.

我忙不迭地补充说，我当时对那个骗局一无所。

He closed up when he found he knew practically nothing about the subject under discussion.

当他发现自己对所讨论的问题实际上一无所时, 就不再开口了。

I know nothing but Wikipedia is a cyclopedia which is easy to use,free and grow continuously.

我只道维基是一个非常好用的，免费的，不断成长的百科全书。

He knows nothing of unprofessional matters.

与专业无关的事, 他什么也不道。