He is dedicated to the study of the pineal gland.

His Japanese is still broken, but he is studying hard every day.

He is my greatest enemy.

There were many people gathering, and the park was bustling.

It is not hard to imagine that this tragic event would have had a great deal of influence.

He lost one arm in an accident.

He stubbornly insisted on his opinion.

He became my strong support, helping me overcome a difficult time.

He always supports me.

He has a collection of stamps.