What is the initial limit, middle limit and final limit?

Initial limit: 25 years before life, middle limit: 26-50 years old, final limit: 50- 100 years old.

The first round or the first two rounds. ?

Deadline, original intention: deadline.

If used in fortune telling, the initial limit refers to one round or the first two rounds, the middle limit refers to middle age, the last limit refers to after 50 years old, and the last limit refers to the ten-year Universiade.

There is also a tradition of dating cadres and party branches in China.

Sixty years is a round, so there is another saying that sixty years is sixty years. Du Fu said in a poem: "Wine debts are common, and life is 70 years old." As a result, seventy has another nickname of "seventy years old".

Of course, there were more than these appellations in ancient times, and many of them were scattered in various ancient books, but they were not handed down because they were used less. These mentioned above have been used by later generations because of their high frequency of use and strong vitality. Some of them have also entered our daily communication, such as Standing at Thirty. For example, from the words "baby" and "child", we can't see the difference between history and today.

Refer to the above content: Baidu Encyclopedia-age appellation