We know nothing about him except his name.

除了名字以外我们对他一无所知。

We know nothing about motivation. All we can do is write books about it.

我们对动机一无所知，我们唯一能做的不过是写一本关于它的书。

Salieli: Love! Of course, in Italy, we know nothing about love.

萨里埃利：爱！当然，我们意大利人不懂得爱。

We know nothing about future excerpt analogying it depend on our past experience.

除了凭着对过去的经验加以类推之外，我们对今后的事一无所知。

We know nothing about the firm except for the fact that it is a commission agent.

除了它是佣金代理商之外,我对这家商行一无所知.

There is another site about a mile down the river which we know nothing about but I think there must be a connection.

河流下面约一米深处还有另一处遗址，虽然我们对它一无所知，但我想两个地方之间一定存在联系。