He is learning the ancient art of stealth.

He practices every day to learn new skills.

The company he built was left behind after his death.

He was lying down with wounds all over his body.

She had no choice but to sell her body to earn a living.

He is working himself to the bone in pursuit of his dream.

The yolk of this egg has a very deep color, doesn't it?

He is devoting himself to his work.

He decided to devote himself to music.

His research is drawing society's attention to environmental issues.