He was the betrayer in our group.

He read a total of 100 books.

His savings amounted to ten million yen in total.

I travel along this route every day.

He felt that his failure was the height of extreme regret.

My eye pain is so severe that it's hard for me to look at the computer screen.

Because his sense of pain is dull, he doesn't notice right away when he gets injured.

This word is not only used in Japan, but also common around the world.

This medicine has an analgesic effect.

His death was a deep regret for all of us.