风雨无阻 unstoppable by wind or rain
Explanation
不受风雨阻碍，比喻无论环境多么恶劣，都能坚持不懈地去做某事。
Not hindered by wind and rain; a metaphor used to express the determination to persevere despite adverse circumstances.
Origin Story
唐朝诗人李白，少年时便立志读书，寒窗苦读，夜以继日。一日，他去拜访一位隐居山中的老先生，路途遥远，山路崎岖，风雨交加。李白披着蓑衣，冒着风雨，一步一个脚印地走着，始终没有放弃。终于，他到达了老先生的住所，老先生被他的毅力所感动，收他为弟子。从此，李白更加勤奋好学，最终成为一代诗仙。
Li Bai, a Tang Dynasty poet, made up his mind to study hard when he was young. He studied day and night, diligently pursuing his studies. One day, he went to visit an old gentleman who lived in seclusion in the mountains. The journey was long and arduous, with a winding mountain path and heavy rain and wind. Li Bai wore a raincoat, braving the wind and rain, walking step by step, never giving up. Finally, he reached the old gentleman's residence, and the old gentleman was moved by his perseverance and took him as a disciple. From then on, Li Bai became even more studious, and eventually became a great poet.
Usage
形容人做事坚持不懈，不怕困难。
Describes someone who works persistently and tirelessly without being discouraged by difficulties.
Examples
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无论刮风下雨，他都风雨无阻地去上班。
wulun guafengxiayu, tadou fengyuwuzud de qu shangban.
No matter whether it is windy or rainy, he goes to work without fail.
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我们风雨无阻地完成了任务。
women fengyuwuzud de wancheng le renwu
We have completed the task without interruption, despite the windy and rainy weather.