He has morally degenerated.

It is important to know oneself.

Akogare was always gazing into the distance, as if longing for something.

He was longing for his distant hometown.

This warehouse is very spacious.

We went for a picnic to the lake on the weekend.

His father was very stubborn, so the proverb 'Like father, like son' fits perfectly.

A proper noun is a noun that refers to a specific person, place, or thing.

He injured his little finger.

A boy is playing in the park.