匹夫之勇 The courage of a common man
Explanation
指不用智谋，单凭个人勇力。多含贬义，形容鲁莽、缺乏策略。
Refers to the mere, unplanned bravery of an individual without strategic thinking; often used derogatorily to describe recklessness and lack of strategy.
Origin Story
春秋时期，越王勾践被吴王夫差打败，沦为阶下囚。三年后，他被放回越国，卧薪尝胆，励精图治。十年之后，越国国力强盛。越王勾践想报仇雪恨，但他并未轻举妄动，而是广泛听取臣子们的意见，制定周密的作战计划。他深知，匹夫之勇不足以战胜强大的吴国。在一次关键战役中，面对吴军的猛烈攻击，越军将士们并没有盲目冲锋，而是按照计划有序推进，充分发挥团队的战斗力。最终，越国取得了胜利，勾践报了仇，也证明了战略的重要性，匹夫之勇并不能决定最终的成败。
During the Spring and Autumn period, King Goujian of Yue was defeated by King Fuchai of Wu and became a prisoner. Three years later, he was released back to Yue, where he humbled himself and governed his country. Ten years later, Yue was strong. King Goujian wanted revenge, but he did not act rashly, instead he listened to the advice of his ministers and carefully planned a war plan. He knew that the courage of one man was not enough to defeat the mighty Wu. In a decisive battle, the Wu soldiers attacked strongly, but the Yue soldiers did not attack blindly, instead they followed the plan and fought disciplined. Finally, Yue won, Goujian got his revenge and proved the importance of strategy.
Usage
用于形容一个人只凭蛮力，不顾及策略，行事鲁莽。
Used to describe a person who relies only on brute force, without considering strategy and acts recklessly.
Examples
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他这种鲁莽的行为，不过是匹夫之勇罢了。
ta zhe zhong lumang de xingwei, bu guo shi pifu zhi yong bale.
His reckless behavior was nothing more than brute force.
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不要逞匹夫之勇，要冷静分析形势。
buya cheng pifu zhi yong, yao lengjing fenxi xingshi
Don't be reckless, analyze the situation calmly.