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.

He exercises his vastus lateralis muscle at the gym every day.

He is doing special exercises to strengthen his vastus medialis muscle.

He is doing a special exercise to strengthen his vastus intermedius muscle.