zǎo lǎo xìng chī dāi
(coll.) Alzheimer's disease
早
zǎo
early
老
lǎo
prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family or to indicate affection or familiarity
性
xìng
nature
痴
chī
variant of 痴[chi1]
呆
dāi
foolish; stupid (variant of 呆[dai1])
