生死攸关 shēngsǐyōuguān matter of life and death Origin Definitions Defs Strokes Stroke Words Sentences Sents 生死 shēngsǐ noun life and death life and death; the boundary between survival and passing away; living or dying攸关 攸關 yōuguān to be related to (literary) to be of great concern; to have a vital impact on something