He is quite a good cook.

I think his Japanese has improved quite a bit, hasn't it?

I am busy with work during the daytime.

It is important to understand the importance of health.

In French, the partitive article plays a very important role.

This project was partially successful.

The Imperial Japanese Army was a Japanese military force that existed from the Meiji era to the Showa era.

The Imperial Japanese Navy was once the navy of Japan.

This is a historic building.

He is a famous historian and has written many history books.