舍生取义 sacrifice oneself for righteousness
Explanation
舍生取义，指为了正义而牺牲生命，体现了崇高的道德情操和舍己为人的精神。
To sacrifice one's life for righteousness, embodying noble moral sentiments and selflessness.
Origin Story
春秋时期，晋国大夫智伯瑶骄横跋扈，最终被赵襄子、韩康子、魏桓子联手所灭。智伯的家臣豫让，对智伯忠心耿耿，誓要为智伯报仇。他先后两次潜入赵襄子的府邸行刺，都被赵襄子识破并放走。最后，豫让为了掩饰身份，吞炭涂漆，改变容貌，再次行刺，最终被赵襄子发现，豫让知道自己必死无疑，坦然赴死。他死后，赵襄子感叹其忠义，为他厚葬。豫让的故事千百年来一直被传颂，成为舍生取义的典范。
During the Spring and Autumn period, Zhi Boyao, a minister of the Jin state, was arrogant and domineering. He was eventually killed by Zhao Xiangzi, Han Kangzi, and Wei Huanzi. Yu Rang, a loyal retainer of Zhi Bo, vowed to avenge his master. He twice attempted to assassinate Zhao Xiangzi, but was discovered and spared both times. Finally, to disguise himself, Yu Rang swallowed hot coals and painted himself with lacquer, changing his appearance. He tried again to assassinate Zhao Xiangzi, but was once again discovered. Yu Rang knew he would die, and accepted his fate calmly. After his death, Zhao Xiangzi praised his loyalty and gave him a grand burial. Yu Rang's story has been told for centuries, an example of self-sacrifice and loyalty.
Usage
常用于表达为正义而牺牲的崇高精神，多用于严肃的场合。
Often used to express the noble spirit of sacrifice for justice, mostly in serious occasions.
Examples
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他为了国家利益，舍生取义，英勇就义。
tā wèile guójiā lìyì, shě shēn qǔ yì, yīngyǒng jiùyì
He sacrificed his life for the national interest.
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面对强敌，战士们舍生取义，奋勇杀敌。
miànduì qiángdí, zhànshìmen shě shēn qǔ yì, fèn yǒng shādí
Faced with a strong enemy, the soldiers fought bravely, sacrificing their lives for justice.