They are always lovey-dovey, and I'm very envious.

They are always being affectionate.

The legend of Beelzebub has been handed down from ancient times.

Gyōbu was a part of the ancient Japanese government system.

What is the imaginary part of this complex number?

What is the real part of this complex number?

He is deeply studying Theravada Buddhism.

There are many historical buildings in the central part of this city.

Mr. Betsube is my best friend.

Mr. Sube is my best friend.