He finished his work in a short time.

He is working as the U.S. ambassador stationed in Japan.

Hinatama is my best friend.

We don't need to reinvent the wheel.

This secondary burial grave is believed to have been used by ancient people to honor the dead.

He thought he was smart, but he remembered the proverb 'a fool may give a wise man council', and understood the importance of listening to others' opinions.

He has a one-track mind, so if he fails once, he never tries the same thing again.

A day without seeing her feels like an eternity of waiting impatiently.

My younger sister caught pertussis.

Today is your special day, happy birthday!