懲 may not be used as a surname.

His room was like a chaos.

Aisen is my best friend.

My father is a doctor.

Hajime became father.

He was my student, but now he has become so proficient that it can be said 'the student has surpassed his teacher.'

Since he started his new job, he's been lively as if he were a fish back in water.

He absorbs new information like a sponge soaking up water.

The European water vole is a small mammal native to Europe.

This steam is what you see when water vapor cools down.