刚愎自用 self-willed and stubborn
Explanation
指人固执己见，自以为是，不听取别人的意见。
It means that a person is stubborn and self-willed, and does not listen to others' opinions.
Origin Story
春秋时期，晋国和楚国因为宋国的问题爆发战争。楚军在宋国节节胜利，宋国快要投降了。楚军将领，没有听从楚王命令，擅自撤退。晋军大将荀林父不听从主将的命令，擅自出兵攻打楚国。楚国大夫伍参向楚庄王分析了晋军的情况，说晋国军队将领刚愎自用，军心涣散。楚庄王采纳了伍参的建议，一举消灭了晋军，取得了战争的胜利。这个故事体现了刚愎自用的危害。
During the Spring and Autumn period, the Jin and Chu states waged war over Song. Chu’s army was winning and Song was about to surrender, yet a Chu general disobeyed the king's order and withdrew. Meanwhile, the Jin general Xun Linfu disobeyed his commander and attacked Chu. Wu Can, a Chu official, analyzed the Jin army’s situation, noting that its generals were self-willed and the morale low. King Zhuang of Chu heeded Wu Can’s advice and decisively defeated Jin, winning the war. This story illustrates the perils of self-will and stubbornness.
Usage
形容人固执己见，自以为是，不听取别人的意见。常用于批评人的缺点。
Describes a person who is stubborn, self-willed, and refuses to listen to others. It is often used to criticize people's shortcomings.
Examples
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他刚愎自用，听不进别人的劝告。
ta gangbi ziyong, ting bu jin bie ren de quangao.
He is self-willed and doesn't listen to anyone's advice.
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领导刚愎自用，导致公司决策失误。
lingdao gangbi ziyong,daozhi gongsi juece shiwu
The leader's stubbornness led to mistakes in company decisions.