life-and-death

adj.

生死攸关的，重大的；决死；殊死；

1. It was a matter of life and death to them.
   对他们来说这是生死攸关的事情。

Neuronal life-and-death signaling, apoptosis, and neurodegenerative disorders.
A role for mitochondrial aquaporins in cellular life-and-death decisions?
What matters to the parents? A qualitative study of parents' experiences with life-and-death decisions concerning their premature in...
Prognostic conflict in life-and-death decisions: the organization as an ecology of knowledge.
[Parents' experiences with life-and-death decisions concerning their premature infants].
Noblesse oblige? Determinants of survival in a life-and-death situation
Life-and-death decisions influenced by retinoids.
Life-and-death decisions.
The Lazarus Case: Life-and-Death Issues in Neonatal Intensive Care
Parents' Involvement in Life-and-Death Decisions in Neonatal Intensive Care: Norwegian Attitudes