Common knowledge
常识；众所周知的事实
It’s common knowledge that water boils at 100°C.
General knowledge
通识；广泛的知识
The quiz show tests contestants on their general knowledge.
Deep knowledge
深入的知识；深厚的理解
She has deep knowledge of classical literature.
Practical knowledge
实用知识；实际经验
He gained practical knowledge through years of fieldwork.
Theoretical knowledge
理论知识
Students need both theoretical knowledge and hands-on practice.
A wealth of knowledge
丰富的知识
My grandfather is a wealth of knowledge about local history.
Beyond one's knowledge
超出某人所知范围
The technical details were beyond my knowledge.
To the best of my knowledge
据我所知
To the best of my knowledge, the meeting is still scheduled for Friday.