大起大落 ups and downs
Explanation
形容事物变化很大，忽高忽低，有很大的波动。
Describes things that change dramatically, rising and falling sharply, with large fluctuations.
Origin Story
从前，有个名叫阿强的年轻人，他怀揣着创业的梦想来到繁华的都市。起初，他凭借着敏锐的市场嗅觉和勤奋的工作，事业发展迅速，赚得盆满钵满，过上了纸醉金迷的生活。然而，好景不长，市场风云变幻，阿强的公司遭遇了前所未有的危机。他经历了破产的打击，曾经辉煌的事业化为乌有。身心俱疲的阿强一度想要放弃，但他并没有被命运打垮，而是重新振作起来，吸取教训，继续奋斗。这次，他更加谨慎，更加务实，最终再次取得了成功。阿强的人生充满了大起大落，但他始终保持着积极向上的心态，并从每一次的经历中汲取经验，不断完善自己。
Once upon a time, there was a young man named Aqiang who came to the bustling city with the dream of starting a business. At first, with his keen market sense and hard work, his career developed rapidly, he made a fortune, and lived a luxurious life. However, the good times didn't last long. The market changed drastically, and Aqiang's company faced an unprecedented crisis. He experienced the blow of bankruptcy, and his once glorious career vanished. The exhausted Aqiang almost wanted to give up, but he was not defeated by fate, instead he regained his composure, learned from his mistakes, and continued to fight. This time, he was more cautious and pragmatic, and finally achieved success again. Aqiang's life was full of ups and downs, but he always maintained a positive and upward attitude, learning from every experience and constantly improving himself.
Usage
用于形容事物变化剧烈，起伏很大。常作主语、宾语、定语。
Used to describe things with drastic changes and large fluctuations. Often used as a subject, object, or attributive.
Examples
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他的人生充满了大起大落。
tā de rénshēng chōngmǎn le dà qǐ dà luò
His life was full of ups and downs.
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股市的大起大落让人心惊胆战。
gǔshì de dà qǐ dà luò ràng rén xīnjīng dǎnzhàn
The ups and downs of the stock market are frightening.
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创业过程往往伴随着大起大落。
chuàngyè guòchéng wǎngwǎng bàndài zhe dà qǐ dà luò
The entrepreneurial process is often accompanied by ups and downs