拼死 (pīn sǐ) is an adverbial phrase meaning 'with desperate, life-risking effort' or 'at all costs.' Literally, 拼 (pīn) means 'to exert oneself vigorously, to struggle,' and 死 (sǐ) means 'death' — together they convey the sense of pushing so hard that one might die, emphasizing extreme determination and intensity. It’s not about actual death but hyperbolic commitment to succeed despite great danger or difficulty.

This phrase is commonly used in narratives describing urgent, high-stakes situations — such as escaping danger, defending someone, completing a critical task under pressure, or overcoming overwhelming odds. It often appears with verbs like 冲 (chōng, 'rush'), 跑 (pǎo, 'run'), 保护 (bǎohù, 'protect'), or 挡 (dǎng, 'block'). While vivid and expressive, 拼死 is generally avoided in formal writing or polite conversation due to its dramatic, colloquial tone; it’s most at home in spoken storytelling, news reports of emergencies, or literary descriptions.