How old is a man to be considered a "weak crown"?

The ancients called a person 20 years old as the year of coronation, 30 years old as the year of establishment, 50 years old as the year of destiny, 60 years old as the year of sixty, 70 years old as the year of seventy, and 100 years old as the year of longevity. Twenty is the crown, thirty stands, forty is not confused, fifty knows the destiny, sixty is sixty, seventy is ancient, and one hundred is prosperous.

A seven-year-old girl's name is Li Nian. It is said that a boy was very young when he was seven years old. 10 years old, called Huangkou. The year from 13 to 15 is called the year of dancing spoon. 15 to 20 years old is called the Year of Dancing Elephants. /kloc-A girl of 0/2 years old is called the Year of Chai Jin. 13-year-old girl is called cardamom. Girl 15 years old. 16 years old is called jasper age; At the age of 20, he was called Tao Li Nianhua. 24 years old, known as Huaxin Nianhua; When a woman marries, it is called Mei Nian, and Mei Nian is marked.

Extended data:

The ancients called men's 20-year-old childhood a year of mourning, 10-year-old children go to school, 20-year-old men 30-year-old men 30-year-old men 30-year-old men 30-year-old men 30-year-old men 30-year-old men 30-year-old men 80, 90-year-old men 80.

The age of ancient people is sometimes not expressed by numbers, not by telling someone's age or age directly, but by an age-related title instead. Tiáo is a child between the ages of three or four and eight or nine (Tiá o, short hair hanging from the head of an ancient child). The total angle is a teenager between the ages of eight or nine and thirteen or fourteen (ancient children divided their hair into left and right halves and tied it in a knot at the top of their heads, which is shaped like two horns, so it is called "total angle").

Baidu Encyclopedia-age appellation