To turn misfortune into fortune; to turn a bad thing into a good one; to make the best of a bad situation.
他在项目失败后没有气馁，而是从中吸取教训，最终转祸为福，开发出了更成功的产品。
Instead of being discouraged after the project failed, he learned from the experience, ultimately turning misfortune into fortune and developing a more successful product.
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