well-known

形容词 well-known:

1. widely or fully known
2. frequently experienced; known closely or intimately
   同义词：long-familiar

well-known

adj.（形容词）
Widely known; familiar or famous:
有名的；熟悉的或著名的：
例句：
a well-known performer.
著名表演家

Fully known:
众所周知的：
例句：
well-known facts.
众所周知的事实