He was searching for something in the dark.

The aardvark is a nocturnal mammal that lives in Africa.

The 'dorou', a synonym for 'ādourufu', is a nocturnal mammal that lives in Africa.

The monk explained the teachings of Buddhism to the audience.

He created a beautiful song using the eight tones.

He advocated agnosticism in terms of his own faith.

My younger brother is currently attending middle school.

My grandfather is from Czechoslovakia.

This town has strong self-government, and the residents are actively tackling local issues.

You should not interrupt his talk.