He has become bald.

The Tokugawa family had a significant impact on Japanese history.

This information is a scoop, so please don't tell anyone.

Tokuo is my best friend.

Tokitaka is my best friend.

He became neurasthenic due to long hours of work.

The styloglossus muscle plays a role in raising and pulling the tongue back.

This book enlightened my thinking.

He and I are related by blood.

It's difficult to calculate the area of this hexagon.