忠心耿耿 loyal and devoted
Explanation
耿耿：忠诚的样子。形容非常忠诚。
耿耿: the appearance of loyalty. Describes someone who is extremely loyal.
Origin Story
话说三国时期，蜀汉名将关羽，字云长，因其武艺高强，忠肝义胆，被后世尊为“武圣”。关羽本是汉末的一名小吏，因不满董卓乱政，投奔了刘备。他一生忠心耿耿，追随刘备东奔西走，南征北战，屡建奇功。在赤壁之战中，关羽水淹七军，威震华夏，展现了他非凡的军事才能和高超的领导才能，也体现了他对刘备的赤胆忠心和对蜀汉事业的无限忠诚。 后来，关羽兵败被杀，但他忠义无双的形象却深深地烙印在了人们的心中。千百年来，关羽一直受到后人的敬仰，成为了忠义的象征，也成为了人们学习的榜样。
During the Three Kingdoms period, Guan Yu, a famous general of Shu Han, was known for his exceptional martial arts skills and unwavering loyalty. He was posthumously revered as the
Usage
用于形容对人或事业非常忠诚。
Used to describe someone who is extremely loyal to a person or a cause.
Examples
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他忠心耿耿地为国家服务了数十年。
ta zhongxin genggeng de wei guojia fuwule shushinian
He served the country faithfully for decades.
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这位老将军忠心耿耿，一生都在保卫祖国。
zhei wei laojiangjun zhongxin genggeng yisheng douzai baowei zuoguo
This old general was loyal and devoted his life to defending his country.