Mr. Danno is a mathematics teacher.

He is suffering from acquired immune deficiency syndrome (AIDS).

He is in mourning for his father.

The character '汢' is rare and not often used.

His power is so great that it could destroy the world.

Zero is used to represent absolute zero.

The center of this plate is sunken.

She dyed her hair blue.

The coffee overflowed from the cup.

Their home is always filled with amiability, to the point where everyone envies them.