适可而止 Moderation
Explanation
指做事或做任何事情都要适度，不可过分。
It means to do things in moderation and not to overdo it.
Origin Story
从前，有个农夫辛勤耕作，收获颇丰。他很开心，决定扩大种植规模，于是他借贷买地，扩大了耕地。第二年，他又卖掉一部分粮食，买了更多的耕牛。几年后，农夫的收成越来越好，他的财富也增加了许多，但是他并没有感到满足，他不断地扩大规模，最后他的债务也越来越多，最终家破人亡。他的邻居劝他适可而止，不要贪得无厌，但农夫总是不听。这个故事告诉我们，任何事情都要适度，不可贪得无厌。
Once upon a time, there was a farmer who worked diligently and had a bountiful harvest. He was very happy and decided to expand his farming operation. He borrowed money and bought more land. The next year, he sold some of his grain to buy more oxen. After several years, the farmer's harvest became better and better, and his wealth increased a lot, but he was not satisfied, and he continued to expand the scale. In the end, his debts became more and more, and he eventually lost everything. His neighbor advised him to stop in time and not be greedy, but the farmer always refused to listen. This story tells us that everything should be moderate, and we should not be too greedy.
Usage
用于劝诫人们做事适度，不要过分。
Used to admonish people to do things moderately and not to overdo it.
Examples
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适可而止，不要太过分了。
shì kě ér zhǐ, bùyào tài guòfèn le
Stop when enough, don't overdo it.
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学习要适可而止，劳逸结合。
xuéxí yào shì kě ér zhǐ, láoyì jiéhé
Learning should be moderate and combine work and rest.