少壮不努力，老大徒伤悲这句话常被用来劝人珍惜时间。
The saying “If the young do not work hard, they will regret it in old age” is often used to urge people to cherish their time.
The saying “If the young do not work hard, they will regret it in old age” is often used to urge people to cherish their time.