We did volunteer work in the area hit by a disaster.

Mr. Ariji is my best friend.

This area used to be a concession territory.

In ancient Chinese astronomy, they used the earthly branches to express time and direction.

Hydrocyanic acid is a very dangerous chemical.

He was able to open his mind's eye and see the essence of things.

I recommend that you suggest a new idea.

When you read Proverbs, you gain wisdom about life.

She has a strong faith like a true believer.

He developed a device to send telegrams.