The characters literally combine to mean “Skillful (巧) Work (工) that Surpasses (夺) Heaven/Nature (天).” The idea is that human ingenuity and skill have created something that outdoes the work of a divine or natural creator.
The idiom 巧夺天工 reflects a deep-seated value in Chinese culture: the immense respect for skill, mastery, and human ingenuity. While philosophies like Taoism emphasize harmony with nature, this term celebrates the human ability to transcend nature through dedication and artistry. It is the ultimate expression of admiration for the “artisan spirit” (工匠精神 - gōngjiàng jīngshén). In Western culture, we might call something a “masterpiece” or “a work of art.” While similar, 巧夺天工 has a unique flavor. A “masterpiece,” like the Mona Lisa, is praised for the artist's genius and emotional depth. 巧夺天工, however, specifically invokes a competition between the human creation and the natural world. A hyper-realistic silk embroidery of a tiger that seems more alive than a photograph would be a perfect example of 巧夺天工. The focus is on the breathtaking technical skill that makes you question if it was even made by human hands.
巧夺天工 is a formal and highly laudatory term. It is not used for everyday objects or simple acts of skill. You would use it to describe things that are genuinely awe-inspiring.