汹涌澎湃 surging and turbulent
Explanation
形容波浪互相撞击，声势浩大，不可阻挡。也比喻声势浩大，不可阻挡的气势。
Describes the mutual collision of waves, huge and unstoppable power. Also describes the huge and unstoppable momentum.
Origin Story
话说唐朝时期，有一位名叫李白的诗仙，他一生豪迈不羁，诗作更是气势磅礴。一天，他乘船游览长江，只见江水奔腾不息，波涛汹涌，浪花拍打着船身，发出震耳欲聋的轰鸣声。李白被这壮丽的景象所震撼，心中豪情万丈，挥笔写下了千古名篇《早发白帝城》。“朝辞白帝彩云间，千里江陵一日还。两岸猿声啼不住，轻舟已过万重山。”这首诗充分展现了长江水流的汹涌澎湃，也象征着李白那豪放不羁、勇往直前的精神。而这奔腾的江水，也如同李白一生的诗歌创作，充满激情，一往无前，永不停息。
It is said that during the Tang Dynasty, there was a poet named Li Bai, who was known for his boldness and his magnificent poems. One day, he took a boat to tour the Yangtze River, and saw the river rushing endlessly, the waves surging, the waves beating against the hull, making a deafening roar. Li Bai was shocked by this magnificent scene, his heart full of passion, and he wrote the famous poem "Early Departure from Baidi City". "In the morning I leave Baidi among colorful clouds, I return to Jiangling, a thousand li away, in one day. The cries of monkeys on both banks cannot be stopped, the light boat has already passed ten thousand mountains." This poem fully shows the surging and turbulent flow of the Yangtze River, and also symbolizes Li Bai's unrestrained and courageous spirit. The surging river is also like Li Bai's lifelong poetic creation, full of passion, unstoppable, and never-ending.
Usage
多用于描写波涛汹涌的景象，也可比喻声势浩大，不可阻挡的气势。
Mostly used to describe the image of surging waves, it can also be used to describe the huge and unstoppable momentum.
Examples
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长江大河奔腾不息，景象十分汹涌澎湃。
changjiang dahe benteng buxi, jingxiang shifen xiongyong pengpai
The Yangtze River rushes endlessly, the scene is very surging and turbulent.
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革命的浪潮汹涌澎湃，势不可挡。
geming de langchao xiongyong pengpai, shi buke dang
The revolutionary tide is surging and unstoppable.