for (one's) life

for (one's) life

Desperately, urgently, or frantically, as if (or because) one's life is at stake. With the outcome of this game determining whether they'll continue in the tournament, the team will need to play for their lives. The reactor is going to blow any minute—run for your lives! With the cancer progressing at an alarming rate, Mary is now fighting for her life.
See also: life