'侥幸成功' literally combines 'jiǎo' (to seek advantage or exploit a loophole), 'xìng' (luck or chance), 'chéng' (to accomplish), and 'gōng' (achievement or success). Together, it describes succeeding not through skill, preparation, or merit—but purely by luck, accident, or an unlikely break. It carries a slightly negative or self-deprecating tone, implying the success was unearned or unsustainable, and often hints at relief mixed with embarrassment or concern about future failure.

This phrase is commonly used in reflective or evaluative contexts—such as reviewing past projects, academic performance, or risky decisions. It appears frequently in spoken Chinese when people admit they got away with something, and in writing to underscore the fragility of chance-based outcomes. Unlike neutral terms like '偶然成功' (accidental success), '侥幸成功' emphasizes moral or practical unease: the speaker recognizes they didn’t truly deserve the result.