死心踏地 wholeheartedly
Explanation
形容下定决心，坚定不移，不会改变。
describes someone who is determined and will not change their mind.
Origin Story
话说古代有个书生，名叫张勤，寒窗苦读十年，终于考取功名，被朝廷委派到边疆做官。边疆地处偏远，环境艰苦，张勤初到之时，也曾有过抱怨，但想到肩上的责任，想到百姓的期盼，他便咬紧牙关，死心踏地地投入到工作中。他白天处理政务，晚上批阅奏章，废寝忘食，兢兢业业。他为当地修建水利设施，解决民生问题，深得百姓爱戴。几年后，朝廷派人来视察，官员们都被张勤的政绩所折服，称赞他为边疆治理做出了巨大的贡献。张勤并没有因此而骄傲自满，而是继续保持着认真负责的工作态度，因为他心中一直有一个信念：为国为民，死心踏地，鞠躬尽瘁，死而后已。
Once upon a time, in ancient China, there was a scholar named Zhang Qin. After ten years of diligent study, he finally passed the imperial examination and was appointed by the court to a post in the border region. The border region was remote and the environment harsh. When Zhang Qin first arrived, he had some complaints, but thinking of his responsibilities and the expectations of the people, he gritted his teeth and devoted himself entirely to his work. He worked hard day and night, attending to government affairs and reviewing documents. He devoted himself to building irrigation facilities and solving the problems of the people, and won their deep respect. After a few years, the court sent officials to inspect his work, and they were all amazed by Zhang Qin’s achievements. They praised him for his tremendous contribution to the governance of the border region. But Zhang Qin did not become arrogant or complacent. Instead, he continued to maintain his diligent and responsible work attitude, for in his heart he held a firm conviction: to serve the country and the people with single-minded devotion, giving all he had until his death.
Usage
表示下定决心，坚定不移，不会改变。多用于褒义。
Expresses determination, steadfastness, and an unwillingness to change. Mostly used in a positive sense.
Examples
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他对待工作总是死心踏地，从不敷衍塞责。
tā duìdài gōngzuò zǒngshì sǐxīntàdì, cóng bù fūyǎn sāizé
He always works with dedication, never perfunctorily.
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他对这个目标死心踏地，全力以赴。
tā duì zhège mùbiāo sǐxīntàdì, quánlìyǐfù
He is fully committed to this goal, giving his all.
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他死心踏地地相信自己的选择是正确的。
tā sǐxīntàdì de xiāngxìn zìjǐ de xuǎnzé shì zhèngquè de
He firmly believes that his choice is correct