身体力行 practice what one preaches
Explanation
指亲自实践，努力去做。
means to put something into practice personally and to make an active effort.
Origin Story
话说唐朝时期，有个名叫李白的诗人，他从小就对诗歌充满热情。他不满足于只读诗书，而是身体力行地去体验生活，去感受大自然的美。他游历了祖国的大好河山，结识了各地的文人墨客，从他们那里学到了很多知识和经验。他将这些经历融入到自己的诗歌创作中，使得他的诗歌充满活力和感染力，流芳百世。李白为了实现自己创作出千古绝唱的梦想，他一直身体力行地进行创作，即使旅途劳累，也坚持写诗，并坚持将诗歌传播出去。他始终认为，只有身体力行，才能创作出真正打动人心的诗歌。他的诗歌也因此成为了千古绝唱，流传至今。
During the Tang Dynasty, there lived a poet named Li Bai, who had a great passion for poetry since childhood. He was not content to only read books but actively experienced life and felt the beauty of nature. He traveled extensively throughout his homeland, making friends with literati and artists from all over, learning a great deal of knowledge and experience from them. These experiences were incorporated into his poetic works, making his poetry vibrant and touching, and famous for centuries. In order to achieve his dream of creating timeless masterpieces, Li Bai persistently engaged in his creation; even when tired from his travels, he would still write poems and spread them widely. He firmly believed that only through personal experience and action can one create truly moving poetry. His poetry thus became a timeless masterpiece, passed down to this day.
Usage
多用于书面语。
Mostly used in written language.
Examples
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他身体力行，带头清理环境，深受大家爱戴。
ta shentilixing,daitou qingli huanjing,shen shou da jia aida.
He leads by example, taking the initiative to clean up the environment, and is deeply loved by everyone.
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学习要身体力行，不能只说不做。
xuexi yao shentilixing,buneng zhi shuo bu zuo
Learning requires personal effort; it's not enough to just talk about it, you must act.