life-or-death

1. Involving or pertaining to the risk or possibility that someone may die. (Usually used before a noun.) As a police officer in this neighborhood, you end up facing life-or-death situations on a regular basis.

2. Extremely serious or of dire consequences; of imperative importance. We've got some life-or-death decisions to make at the next board meeting that will determine the fate of the company. Don't worry if you can't finish everythign by Friday. It's not life-or-death or anything.

Farlex Dictionary of Idioms.

See also:

life and/or death
life-and-death
die a death
die a/the death
die by
die by (something)
a matter of life or death
fixing to die
die for
die for (someone or something)

词组	life-or-death
释义	life-or-death life-or-death 1. Involving or pertaining to the risk or possibility that someone may die. (Usually used before a noun.) As a police officer in this neighborhood, you end up facing life-or-death situations on a regular basis. 2. Extremely serious or of dire consequences; of imperative importance. We've got some life-or-death decisions to make at the next board meeting that will determine the fate of the company. Don't worry if you can't finish everythign by Friday. It's not life-or-death or anything. Farlex Dictionary of Idioms. See also: life and/or death life-and-death die a death die a/the death die by die by (something) a matter of life or death fixing to die die for die for (someone or something)
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