fight for (one's) life
fight for (one's) life
To actively try to stay alive, as of one who is sick, injured, or being attacked. She's been fighting for her life for days—she really needs an organ transplant.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
ˌfight for (your) ˈlife
make a great effort to stay alive, especially when you are badly injured or seriously ill: A young cyclist is fighting for his life after the accident.Farlex Partner Idioms Dictionary © Farlex 2017