knowledge
/ˈnɒlɪdʒ/noun
mass noun
1
- facts, information, and skills acquired by a person through experience or education; the theoretical or practical understanding of a subject知识, 学识, 学问：
a thirst for knowledge
对知识的渴望
her considerable knowledge of antiques.
她对古物的大量知识。
1.1
- what is known in a particular field or in total; facts and information专门知识; 知识（总量）：
the transmission of knowledge.
知识的传播。
1.2
- Philosophy true, justified belief; certain understanding, as opposed to opinion【哲】认识; （与见解相对的）认知。
1.3
- information held on a computer system计算机系统存储的信息。
2
- awareness or familiarity gained by experience of a fact or situation了解, 熟悉：
the programme had been developed without his knowledge
这个程序是在他不知情的情况下开发的
he denied all knowledge of the overnight incidents.
他否认知道头一天夜里的事件。
短语
come to one's knowledge
- become known to one为某人得知。
to ( the best of)my knowledge
1
- so far as I know就我所知。
2
- as I know for certain我确切知道。
词源
Middle English （originally as a verb in the sense 'acknowledge, recognize', later as a noun）： from an Old English compound based on cnāwan （see KNOW）.