Their wedding ceremony ended in perfect harmony.

Their married life is harmonious.

There was a halo shining above his head.

Mr. Chayuan is my best friend.

He bought a new music disc.

This elliptical window is a characteristic part of the building.

Let's calculate the circumscribed circle of this triangle.

This problem cannot be solved unless both sides cooperate.

He is using binoculars to observe birds.

My friend has twin brothers.