His talk was monotonous and boring.

The balance of intestinal bacteria greatly affects health.

Chouei is my best friend.

This product is loved by the masses.

She is the matriarch of our family, making all the decisions.

In ancient Japan, an audience with the emperor at court was considered a great honor.

He did his best to solve the problem.

He was the ringleader of that incident.

I was asked to tune the piano.

It's better to leave the tuning of the piano to a professional.