life-and-death
adjective [ before noun ] uk/?la?f.?n?deθ/ us/?la?f.?n?deθ/ (also life-or-death)
生死攸关的(有人可能会丧生的)
involving the possibility that someone will die
We were now in a life-and-death situation. 我们现在处于生死攸关的情形下。
生死攸关的(非常重要的,非常严肃的)
very important and serious
a life-and-death matter 生死攸关的事


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