Explain in detail:
Also known as "Gu Xi". The second song of Qujiang by Du Fu in Tang Dynasty: "Wine and debt together, life is seventy years old." Later, because of using "Gu Xi" as a 70-year-old agent. Li Zhi's poem "Guanyin Pavilion" in Ming Dynasty: "How to be an ancient Greek, I don't know how to suffer." Contemporary 198 16: "He regrets his reckless behavior. He is seventy years old and old. Why are you so careless? "
Example:
1. Grandpa keeps exercising every day. Although he has been to seventy years of age, he is still full of youth.
2. People always get together happily, with white hair and laughter. Looking forward to the prosperous age, the past is like smoke and rain. Diligently seek happiness on paper, cherish today and protect health. Look at the human spring scenery, pink and green everywhere.
3. Zhang Laobo, who is over 70 years old, looks childish, but walks with great strides.
Although he is old, he is still full of energy.
Grandpa is over 70 years old, but he is still strong.
6. Grandpa is tall and has wide shoulders. Although he is over 70 years old, he can speak as forcefully as Hong Zhong. Push, push, push him when walking, even the young man can't catch up.
7. The predecessors were seventy years old and prosperous for a hundred years. Indifferent heart is like heaven and earth, happy as the East China Sea.
8. Grandpa insists on exercising every day. Although he is over 70 years old, he still has white hair and looks good. He is over 60 years old, with gray sideburns under his military hat, but he still carries a sword when he walks with his hat badge and collar badge.
Grandpa Wang is over 70 years old, but he still insists on exercising every morning.