He is looking for the key to open the door.

He lost his key.

This footnote provides important information.

My older brother is my role model.

The teacher used an eraser to erase the letters on the blackboard.

The platycodon, or Chinese bellflower, is a plant that blooms beautiful blue-purple flowers.

Curium is a radioactive chemical element.

Dog meat is not eaten in my country.

His breath is getting weaker.

Mr. Kiji is my best friend.