和第[jī]: refers to a woman who is fifteen years old. Originally it refers to the hairpin used to tie hair in ancient times. In ancient times, women usually put their hair up and tied it with a hairpin after they were 15 years old, indicating that they had reached adulthood. "Jiji" refers to a woman who is over 15 years old. Weak Crown: A man over 20 years old. The ancients held a crown ceremony at the age of twenty to show adulthood, but the body was still not strong, so it was called "weak crown". Refers to just coming of age. Refers to twenty years old. Weak crown: In ancient times, a man was called "weak" when he was 20 years old. At this time, he had to perform the "crown ceremony", that is, he put on a hat to indicate that he had become an adult. Erli: The man is thirty years old. Because "I stand at thirty, and at forty I am not confused." (Confucius said: "When I was fifteen, I was determined to learn; when I was thirty, I stood up; at forty, I was not confused; at fifty, I knew the destiny; at sixty, my ears were obedient; at seventy, I followed my heart's desires. ". - "The Analects of Confucius? 6.1 Weizheng"), so future generations call 30 years old the "year of establishment". Buhuo: The man is forty years old. Because "I stand at thirty, and at forty I am not confused." (Confucius said: "When I was fifteen, I was determined to learn; when I was thirty, I stood up; at forty, I was not confused; at fifty, I knew the destiny; at sixty, my ears were obedient; at seventy, I followed my heart's desires. , do not exceed the rules." - "The Analects of Confucius? 6.1 Weizheng"), so later generations call 40 years old the "year of no confusion." Half a hundred: the year of knowing one's fate, refers to fifty years old. Sixty years old: Sixty years old is used to mark the year according to the rules of heaven and earth. Starting from Jia, sixty years form a week, so the sixty-year-old is called sixty years old. Sixty Years Old: In ancient my country, stems and branches were used to record time. The so-called Ganzhi is the abbreviation of Heavenly Stems and Earthly Branches. There are ten heavenly stems and twelve earthly branches. The ten heavenly stems and the twelve earthly branches are combined in order into sixty units, which are usually called "sixty flower armors", also known as "sixty flower armors". If we apply this word to record time to record a person's age, we would use "in his sixtieth year" or "in his sixtieth year" to refer to a person reaching 60 years old. Ancient Xi: It was not easy for people in ancient times to live to be 70 years old. Du Fu had a poem that said: "Drinking debts are commonplace, but seventy years of life are rare in ancient times." Later generations often followed this poem and called 70 years old "the rare years in ancient times." Ya Ling: The old age added to the memo is an honorific for the elderly to live a long life. Old age: a respectful term, referring to the age of an old person (mostly over sixty years old).