1. He has a comprehensive knowledge of science.
    他对科学有整体性的了解。

2. He is distinguished for his knowledge of economics.
    他在经济学方面的研究出类拔萃。

3. Human knowledge is finite.
    人类的认识是有限的.

4. His thirst for knowledge was insatiable; he was always in the library.
    他渴望知识, 从不知足, 整天地钻在图书馆里。

5. He has a great store of knowledge.
    他有丰富的知识。

6. Here we have a little child, without knowledge or experience; there a grown-up person with fully developed mental powers.
    一边是一个既无知识又无经验的儿童；另一边是一个思维功能已经完全的成人。

7. And found our then prevailing primitive state completely uninteresting to their own advanced knowledge.
    并且发现我们地球汉时普遍存在着的原始状态同他们的先进的知识相比是索然无味的。

8. Doing so requires both the knowledge and the self-discipline to use less energy and do more with less stuff.
    要做到这一点，需要人们有意识地、自觉地减少使用能源，并且用更少的东西办更多的事情。

9. A baby has no knowledge of good and evil.
    小孩儿不解善恶.

10. As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
    正像人们常常指出的，知识是一把双刃刀，可以用于造福，也可以用来为害。