What age does doukou nianhua refer to？
   In one of his poems，Tang Dynasty poet Du Mu compared girls around the age of 13 to blooming cardamom （豆蔻） flowers. （1）

B

B

   Rather than using numbers，ancient Chinese people described someone's age using titles.For example，Chuitiao，meaning "straight hair"，referred to children from 3 to 8 years old.Chuitiao was a popular hairstyle for children of these ages.
   Zongjiao，meaning "twisted （缠绕的） horn （角）"，described children from 9 to 14 years old. （2）

C

C

And they twist each half into a knot.They looked like two horns on their heads.
   Shufa，meaning a child ties his hair up，was used for boys who had reached 15 years old.
   （3）

E

E

These men would attend a hat-wearing ceremony when they turned 20.It showed that they had become an adult.
   "The year of independence" was the time when a man turned 30.He won't have a daydream any longer.He shouldn't speak more and work less.
   （4）

D

D

   When a man turned 50，he reached "the year of understanding the fate of heaven".It means he has become aware of his destiny. （5）

A

A

Finally，if you were lucky to live beyond 100 years，you would get the title "Qiyi" .

A．He would no longer make any useless efforts.
B．Since then，people have used the phrase to refer to teenage girls of this age.
C．Back then，children would comb their hair into two halves.
D．At the age of 40，one has no doubts about the world.
E．Ruoguan，or "junior cap" was used for young men in their twenties.