顽固不化 inflexible
Explanation
形容人固执，不肯改变自己的想法或做法。顽固：固执；不化：不改变。
Describes someone who is stubborn and unwilling to change their ideas or actions. Stubborn: inflexible; Unchangeable: unbending.
Origin Story
从前，有个老木匠，技艺高超，但他固执己见，不愿学习新的技法。村里来了个年轻木匠，技艺更新颖，效率更高。老木匠却嘲笑他，说他破坏了传统工艺。年轻木匠多次邀请他学习，老木匠都拒绝了。后来，年轻木匠的生意越来越好，而老木匠因为技艺落后，生意越来越差。他始终顽固不化，最终只能默默无闻。这个故事告诉我们，要与时俱进，不断学习，才能不被时代淘汰。
Once upon a time, there was an old carpenter, whose craftsmanship was superb, but he was stubborn and unwilling to learn new techniques. A young carpenter came to the village, whose techniques were more advanced and efficient. The old carpenter laughed at him, saying that he was destroying the traditional craft. The young carpenter invited him to learn many times, but the old carpenter refused. Later, the young carpenter's business became increasingly successful, while the old carpenter's business became increasingly poor because of his outdated skills. He remained unbending and eventually faded into obscurity. This story teaches us that we must keep up with the times and keep learning in order to avoid being eliminated by the times.
Usage
用于形容人固执，不接受新事物，墨守成规。
Used to describe someone stubborn, unwilling to accept new things, and sticking to old rules.
Examples
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他顽固不化，从来不听取别人的意见。
ta wangubuhua, conglai bu tingqu bieren de yijian.
He is stubborn and never listens to others' opinions.
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面对新技术，他依然顽固不化，拒绝学习。
mian dui xin jishu, ta yiran wangubuhua, jujue xuexi.
In the face of new technologies, he remains unbending and refuses to learn.