不足为法 Not a good example
Explanation
不值得效法，不值得学习。
Not worth emulating, not worth learning.
Origin Story
战国时期，著名的军事家孙膑与庞涓同为鬼谷子门下。庞涓嫉妒孙膑的才能，屡次陷害孙膑。孙膑忍辱负重，最终凭借其卓越的军事才能帮助魏国取得胜利，而庞涓的军事策略却屡战屡败，最终落得个身败名裂的下场。后人以此为例，说明庞涓的军事策略不足为法，而孙膑的军事思想则值得后人学习和借鉴。 孙膑的成功，在于他善于学习，不断创新，而庞涓的失败，恰恰在于他固步自封，墨守成规，最终被时代所淘汰。这个故事告诫我们，学习应该不断创新，不能盲目模仿，要根据实际情况，选择合适的策略和方法。 历史长河中，涌现出许多杰出的政治家、军事家、科学家、艺术家等等，他们的成功经验值得学习，但不能照搬硬套，必须结合自身的实际情况，进行创造性的运用。
During the Warring States period, the famous military strategists Sun Bin and Pang Juan were both disciples of Guiguzi. Pang Juan envied Sun Bin's talent and repeatedly tried to harm him. Sun Bin endured humiliation and hardship, and finally, with his outstanding military talent, helped the State of Wei achieve victory. Pang Juan's military strategies, however, repeatedly failed, ultimately leading to his downfall. Later generations used this as an example to illustrate that Pang Juan's military strategy was not worth emulating, while Sun Bin's military thought was worthy of study and reference by later generations. Sun Bin's success lay in his ability to learn and constantly innovate, while Pang Juan's failure was precisely because he was complacent and adhered to outdated rules, eventually being eliminated by the times. This story warns us that learning should constantly innovate and we shouldn't blindly imitate; we should choose the appropriate strategies and methods according to the actual situation.
Usage
用于评价某种方法或做法不值得学习和效仿。
Used to evaluate a method or practice that is not worth learning or emulating.
Examples
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他的方法不值得效仿，简直是不足为法。
tade fangfa bu zhide xiaofang, ganzhi shi bu zu wei fa
His method is not worth emulating; it's simply not a good example.
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这种做法不足为法，我们应该另辟蹊径。
zhezhon zuofa bu zu wei fa, women yinggai ling pi qijing
This approach is not exemplary; we should explore other avenues.