攸

利害攸关

lì hài yōu guān

to be of vital interest

存亡攸关

cún wáng yōu guān

a make-or-break matter

性命攸关

xìng mìng yōu guān

vitally important

攸县

yōu xiàn

You County or Youxian, a county in Zhuzhou City 株洲市[Zhu1 zhou1 Shi4], Hunan

攸关

yōu guān

of great concern

生死攸关

shēng sǐ yōu guān

matter of life and death

责有攸归

zé yǒu yōu guī

responsibility must lie where it belongs (idiom)