He can master classical Japanese.

He used his remarkable ability to help people.

He deeply believes in the principles of national socialism.

We played karuta at the New Year's party.

My father works at a newspaper agency.

His poetry is rich in metaphors, and there are new discoveries every time I read it.

The volume ratio of this engine is 10:1.

He started calculating to obtain the ratio of the two numbers.

His painting is drawn using the golden ratio.

Compared to our company's previous products, this new product has significantly improved performance.