He is interested in diachronic linguistics studies.

He is interested in synchronic linguistics.

He has been committing misdeeds for many years, but finally the time for repayment has come.

I work at my company from Monday to Sunday.

Gessho Kassuimokukinkin is a military song in Japan, and its lyrics depict the rigorous training of soldiers.

On April Fools' Day, it's fun to tell jokes and surprise your friends.

Shigetsuka is my best friend.

He is making a futile effort like trying to scoop up the moon from the bottom of the sea.

He continues to chase a dream like chasing the moon in the sea.

When he immigrated to a new country, he remembered the proverb 'When in Rome, do as the Romans do' and tried to adapt to the culture of that country.