know-nothing的中文翻译是什么意思

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

这对那些对它一无所知的人来说可能显得很难理解.

The idea is locked up in his brains. We know nothing.

他把自己的想法藏在脑子里, 我们一无所知.

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知道.

I know nothing about him except that he lives next door.

我对他一无所知,只知道他住在隔壁.

I know nothing of it beyond what he told me.

除了他告诉我的以外,别的我什么都不知道.