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.

He crossed many mountains and rivers to meet her.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Please remember this old proverb, 'The friendship of a gentleman is insipid as water.'