「生死攸关」英文怎么说？

a matter of life and death 

事关生死的，生死攸关的

I really need your help. Can you come over ? It's a matter of life and death. I have a date with Frank tonight and…I can't decide what to wear !

我非常需要你的帮助，你能过来一下吗？生死攸关呀！我今晚和Frank有个约会，但是我不知道该穿什么！

Men don't have that option. Getting a job is a matter of life and death to them. 

男人们没有选择的余地，有一份工作对他们来说是至关重要的。