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

This building is equipped with an impermeable wall, preventing water intrusion.

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.

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

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

Kazumi is my best friend.

I have been to Suishiei.

Water Margin is one of the four great literatures of China.

I buy water at the water store every day.