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1·Now the Russians recognize that Obama will be very different from his know-nothing predecessor.

现在，俄国人认识到奥巴马将会和他无知的前任大不相同。

2·The opinion was also whispered that my master was my father; but of the correctness of this opinion, I know nothing; the means of knowing was withheld from me.

也有人私下说，我的主人是我的父亲；但我不知道这个观点的正确性；我没有办法知道。

3·I know nothing.

我什么也不知道。

4·I know nothing about boxing, but I could see he was unfit, because he was puffing.

我对拳击一无所知，但我看得出他身体不行，因为他直喘粗气。《柯林斯英汉双解大词典》

5·You know nothing at all?

你什么都不知道？

6·You know nothing about anything!

你什么都不知道！

7·You will be strongly attracted to Beijing Opera even if you know nothing of the dramatic background.

即使你不了解京剧的戏剧背景，你也会被京剧深深吸引。

8·Because node structures go in only one direction, they know nothing about the sequence of nodes that precede them.

由于节点结构只指向一个方向，所以它们完全不了解它们之前的节点的顺序。

9·You know nothing about India.

你对印度一无所知。

10·I know nothing about such places.

我对这些地方一无所知。

无知者

1·Probably, everyone has unconsciously admitted that he is no other than the innocent know-nothing.

也许，不知不觉中，大家都已经承认自己就是那个天真的无知者。