known nothing of

• v. 不知道

known nothing of的用法和样例：

例句

1. He knows nothing of the nature of my work.
   他一点也不了解我的工作性质。
2. We know nothing of his past.
   我们对他的经历一无所知。
3. The frog in the well knows nothing of the great ocean.
   [谚]井底之蛙，所见不广。