He is an alcoholic, and his life is very difficult.

He is a bungler, so he is not good at detailed work.

He is a fervent communist.

He publicly admitted that he is a bisexual.

He was an eyewitness to the incident.

This contract prohibits interference by a third party.

I forgot my username.

My sister is a vegetarian and does not eat meat at all.

Many people who drive cars with the beginner's mark are cautious.

Since he is still a green hand, he may make many mistakes.