Hideyuki is my best friend.

In the Heian period, the court nobles played a crucial role in determining the country's policies.

He is known for his scholarliness.

He was riding a bicycle on the public road.

The efficiency of this machine is very high.

He can play the Jew's harp well.

He traveled around the world in search of money.

He is working hard to pursue great achievement.

The empress dowager is living quietly in the palace.

He was watching the situation as a detached observer.