on borrowed time, live

live on borrowed time

To live or exist in a temporary and/or tenuous position, which may come to an end suddenly and abruptly. Accidents and disease can strike so unexpectedly that it feels like we're all living on borrowed time.
See also: borrow, live, on, time

on borrowed time, live

Outlive reasonable expectations, as in Our twenty-year-old car is living on borrowed time, or The vet said our dog is living on borrowed time. This expression alludes to time borrowed from death. [Late 1800s]
See also: borrow, live, on