The unity of knowledge and action means that knowledge and action become one.

Mr. Yokochi is my best friend.

Mr. Shichijo is my best friend.

The tone of the violin is beautiful.

I go to eat brunch with my friends on Sundays.

He stared in surprise at the ball suspended in midair.

This catastrophe has completely changed our lives.

In Japan, it is important to follow etiquette.

This three-quarter sleeve shirt is very cool, perfect for summer.

He made a big change in his life.