He is famous as a long-distance athlete.

He recognizes the danger of extremism.

It is said that he possesses the three sacred treasures.

He became obsessed with publicly-owned gambling enterprises and used up all his savings.

He was deceived by a swindler and lost a lot of money.

The SI system is a standard unit system used worldwide.

My uncle is a famous zoologist.

He is a world-renowned ichthyologist.

I use a tram for commuting every day.

My brother is a famous biologist.