给这些人送水是生死攸关的事情。

Getting water to these people is ___a ___matter ___of ___life ___and ___death.

我告诉他这是生死攸关的事情。

I told him it was ___a ___matter ___of ___life ___and ___death.

撤离该地区的决定是生死攸关的事情。

The decision to evacuate the area is ___a ___matter ___of ___life ___and ___death.