Methamphetamine is a very dangerous drug.

I filled the wide-mouth jar with homemade jam.

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.

Yoshiaki is my best friend.