His behavior was very natural.

He started the story without any lead-in.

He pretended to be sick and skipped school.

He was arrested for the crime of smuggling.

A tsunami warning has been issued, so please evacuate immediately.

He bought a new car and is living an ostentatious life.

He is a vain person, so he always wears expensive clothes.

I got a blister on my foot.

On cold days, earmuffs are necessary.

This area is still undeveloped and rich in nature.