I paid a visit to my friend's house.

He is suffering from macular degeneration.

It's difficult to understand the depth of his paintings.

This trumpet is made of brass.

This mirror has a concave area.

He was rushing around in confusion, not knowing what to do.

After the earthquake, people were going every which way in disorder.

She is respected as the queen consort of the country.

He is of royal blood.

My grandmother, who I refer to as 'queen mother', passed away when I was a child.