1. I know all about it.
   我知道有关它的一切
2. He came to know all of John's background.
   他逐渐了解了所有有关约翰的背景情况。
3. I can't pass judgment until I know all the facts.
   在没有了解全部事实之前我无法做出判断。
4. We do not yet know all the causes of blindness.
   我们尚未知晓造成失明的所有原因。
5. Let us suspend judgment until we know all the facts.
   在我们获悉全部事实之前暂时不作判断。

　1个名词解释