He surrendered to the enemy.

His success is the result of the fruit of painstaking study.

His mood is always fluctuating high and low.

Her dress was crimson, and it was very beautiful.

I was surprised by his ingenious plan.

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.