His actions demonstrated true heroism.

His heroic actions inspired everyone.

There is an old man who picks up cigarette butts in the park every day.

After working all day, I was completely exhausted.

I worked all day and ended up being exhausted.

This room is known for its spaciousness.

He is a person with a warm heart.

Naohiro is my best friend.

I started learning new things to broaden my horizons.

His smile was shining brilliantly.