na śmierć i życie

Definitions

1. 1.
   life-or-death (having death as a possible or even likely outcome; perilous)
2. 2.
   to death (that cannot last longer or be more intense)
3. 3.
   to the death (that will continue until one of the contestants dies)
4. 4.
   to the death (to the utmost degree)