Interpretation: an inch of time is worth an inch of gold, but an inch of gold can't buy an inch of time. Metaphor time is very precious.
2.？ A lazy youth, a lousy age.
Interpretation: Don't work hard when you are young and strong. It's no use being sad when you are old.
3.？ Teenagers only know how to play, but don't know how to study hard. When they are old, they regret why they didn't know how to study hard when they were young.
Interpretation: If you don't know how to study hard early when you are young, you will regret studying too late when you are old. This sentence aims to encourage people to cherish time and study hard.
4.？ Flowers will reopen one day, and life is no longer a teenager.
Interpretation: Youth is fleeting and difficult to flow, so people often sigh about life in spring, because although the flowers in spring are gorgeous, they are very short, just like human life, but in the next year, flowers will still bloom and peanuts will grow, but human life cannot be repeated, and neither can youth.
5.？ Every day when the cock crows, it is the best time for boys to read.
Interpretation: Every night from midnight to dawn is the best time for boys to study. They didn't know to study hard early when they were young, but they will regret studying too late when they are old.