well known
adjective/ˌwel ˈnəʊn/
/ˌwel ˈnəʊn/
- known about by a lot of people
众所周知的；著名的；出名的 - a well-known actor
著名演员 - His books are not well known.
他写的书不太有名。
- a well-known actor
- (of a fact) generally known and accepted
为人所熟知的（或熟悉的、认可的） - It is a well-known fact that caffeine is a stimulant.
咖啡因是兴奋剂，这是人所共知的事实。
- It is a well-known fact that caffeine is a stimulant.