" A thousand-year-old tortoise, ten-thousand-year-old tortoise, hundred-year-old rabbit, no one will chase after it " was a saying that had different meanings and explanations in different situations. The " Thousand-Year Tortoise " referred to turtles with long lifespans, while the " Ten-Thousand-Year Tortoise " referred to turtles with extremely long lifespans. The meaning of this sentence is that long-lived animals live long lives, but they don't necessarily have any practical value because their life span is too long, and even some young people may not be able to catch up with their life course. On the other hand, this sentence could also mean that people pursue longevity and long-term life and ignore the fun and excitement in life. In this sense, the term " hundred-year-old rabbit " referred to animals with short lifespans, while " no one chased " referred to their short lifespans that could not attract people's attention and pursuit. The meaning of the phrase " a thousand-year tortoise, a ten-thousand-year tortoise, a hundred-year rabbit, no one will chase after it " depended on the specific situation and explanation.