无名小卒 unknown soldier
Explanation
指默默无闻，身份低微的人。通常用来形容地位低微、没有名气的人，也常用来谦称自己。
Refers to an obscure person of low social standing. Often used to describe someone of low social standing and without fame, and also often used to modestly refer to oneself.
Origin Story
话说唐朝时期，边关告急，敌军来势汹汹。一位名叫李白的年轻士兵，因作战勇敢而被提拔为千夫长。然而，李白并没有因此骄傲自满，他依然像以前一样勤勤恳恳地训练士兵，认真地完成自己的任务。在一次重要的战役中，李白率领着他的士兵们英勇作战，最终取得了辉煌的胜利。战后，李白的名声传遍了整个大唐王朝，但他依然保持着谦逊的态度，低调地生活着。尽管他成为了一位赫赫有名的将军，但他依然记得自己曾经只是一个无名小卒，正是因为当初的刻苦训练和认真负责，才有了今天的成就。他常常告诫自己的士兵们要珍惜现在的和平生活，努力训练，时刻准备为国家和人民做出贡献。
During the Tang Dynasty, the border was in danger, and the enemy army was approaching menacingly. A young soldier named Li Bai, because of his bravery in battle, was promoted to commander of a thousand men. However, Li Bai did not become arrogant and complacent because of this; he still trained his soldiers diligently and conscientiously completed his tasks as before. In an important battle, Li Bai led his soldiers in valiant combat and ultimately achieved a glorious victory. After the war, Li Bai's reputation spread throughout the Tang Dynasty, but he remained humble and lived a low-key life. Although he had become a famous general, he still remembered that he had once been an unknown soldier. It was only thanks to his diligent training and conscientious work that he had achieved his current success. He often exhorted his soldiers to cherish their peaceful lives, to train diligently, and to always be ready to contribute to the country and the people.
Usage
常用作主语、宾语，形容身份地位低微，默默无闻的人。
Often used as the subject or object, to describe a person of low social standing and obscurity.
Examples
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他只是个无名小卒，却做出如此惊天动地的大事！
tā zhǐshì ge wú míng xiǎo zú, què zuò chū rúcǐ jīngtiāndòngdì de dàshì!
He was just an unknown soldier, yet he accomplished such a great feat!
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在这次的比赛中，他只是一个无名小卒，却获得了冠军。
zài zhè cì de bǐsài zhōng, tā zhǐshì yīgè wú míng xiǎo zú, què huòdéle guànjūn
In this competition, he was just an unknown, yet he won the championship.