流芳千古 immortal fame
Explanation
流芳千古的意思是美好的名声永远流传于后世。它形容的是一种非常高尚的行为和卓越的贡献，使得后人对他们的敬仰和赞美能够一直延续下去。
The meaning of "Liú fāng qiān gǔ" is that a good reputation will forever be passed down to future generations. It describes a very noble behavior and outstanding contribution, so that the admiration and praise of future generations can continue forever.
Origin Story
话说东汉时期，有个名叫张衡的天才科学家，他发明了地动仪，能准确预测地震发生的位置。一次，地动仪指针指向西方，张衡断定西方发生地震，朝野震动。不久之后，西方果然传来地震的消息，百姓无不称奇，赞叹张衡的智慧。张衡为人谦虚谨慎，从不骄傲自满，他将全部精力都投入到科学研究中，为后人留下了一笔宝贵的财富。张衡的故事流芳千古，激励着一代又一代的科学家们为科学事业奋斗终生。
It is said that during the Han Dynasty, there was a talented scientist named Zhang Heng who invented a seismometer that could accurately predict the location of an earthquake. Once, the pointer of the seismometer pointed to the west, and Zhang Heng concluded that an earthquake had occurred in the west, shocking the court and the people. Shortly afterwards, news of an earthquake did indeed come from the west, and the people all marvelled at and praised Zhang Heng's wisdom. Zhang Heng was humble and cautious, never arrogant or complacent, and he dedicated all his energy to scientific research, leaving behind a precious legacy for posterity. Zhang Heng's story will be passed down through the ages, inspiring generations of scientists to dedicate their lives to the cause of science.
Usage
该成语主要用于赞扬那些为国家和人民做出巨大贡献，其事迹将被永远铭记的人。
This idiom is mainly used to praise those who have made great contributions to the country and the people, and whose deeds will be remembered forever.
Examples
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他为国家做出了巨大贡献，流芳千古。
tā wèi guójiā zuò chū le jùdà gòngxiàn, liú fāng qiān gǔ
He made a great contribution to the country and will be remembered forever.
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他的事迹将流芳千古，永远被人们铭记。
tā de shìjì jiāng liú fāng qiān gǔ, yǒngyuǎn bèi rénmen míngjì
His deeds will be passed down through the ages and always remembered by people.