It was difficult to solve the problem of fractional reduction in math class.

I received treatment at the dentist using anesthetic.

He has a bald head, and that's his distinctive style.

I'm thinking of having okonomiyaki for dinner today.

His career made a remarkable leap.

His business made a surprising leap forward.

This app is very useful for studying Japanese.

He was called a traitor and was criticized by the people.

The banded houndshark is a species of shark that lives in the seas of Japan.

What modern prefecture does the ancient Japanese place name 'Wanokuni' correspond to?