One of the characters not used in Japan is '枾'.

His slowness in action reflects his outdated way of thinking.

I couldn't go to work because of severe morning sickness in early pregnancy.

He always comes home late.

The human immunodeficiency virus destroys the immune system, making the body unable to fight disease.

It is important to learn about the prevention and treatment of the human immunodeficiency virus.

He plays the piano every day.

He took a foolish action.

I think his behavior is complete foolishness.

A scorpionfish, known as a '鰧' in Japanese, is distinctive in its appearance.