In Greek mythology, Aether was the god of the sky.

Sometimes it's difficult to distinguish between good and evil.

His behavior was the epitome of ugliness.

I thought his behavior was ugly.

Tenmei is my best friend.

The heinous criminal was sentenced to life imprisonment.

This project has been worsened.

I attend a water aerobics class every Friday.

Every Friday, I participate in an aquacise class at the pool.

He was pursued by bad luck all his life.