He confessed to committing the seven deadly sins.

He does nothing like a good-for-nothing.

The troposphere is the lowest part of the Earth's atmosphere, and most of the weather occurs here.

My son has started learning taekwondo.

He left the room in just a moment.

He is the leader of that team.

I buy daily necessities at the supermarket every week.

Hiroshi is my best friend.

He is a specialist in heart disease and is known as a heart doctor.

He has a doctorate.