He is known for his expertise in the field.

He is known to be a talented musician.

Tokyo is known as the capital of Japan.

A man is known by the company he keeps.

He is a well-known actor.

He is one of the best-known actors in Hollywood.

It is a known fact that the Earth revolves around the Sun.

Paris is well-known for its beautiful architecture.

This museum showcases a collection of lesser-known artists.

This little-known restaurant serves the best sushi in town.