Knowledge is information and understanding about a subject which a person has, or which all people have.
She disclaims any knowledge of her husband's business concerns.
她自称对丈夫的生意毫不知情。
Our ancestors had a detailed knowledge of wildlife.
我们的祖先对野生生物所知详尽。
the quest for scientific knowledge.
对科学知识的追求。
to the best of your knowledge , to (the best of) sb's knowledge
If you say that something is true to your knowledge or to the best of your knowledge, you mean that you believe it to be true but it is possible that you do not know all the facts.
Alec never carried a gun to my knowledge.
据我所知,亚力克从不带枪。