He is learning the technique of printmaking.

Tadazane is my best friend.

It's difficult to understand his inner thoughts.

Please stop the car because it's raining.

This is my first trip to Japan.

Nitrous oxide can be used for anesthesia and to boost engine power.

The greater part of his time is spent on work.

Emperor Naruhito is the symbol of Japan.

On festival days, the town center is always full of throngs of people.

People are playing happily in the park.