be living on borrowed time

be living on borrowed time

or

be on borrowed time

COMMON If someone or something is living on borrowed time or is on borrowed time, they are not expected to survive for much longer. The organization is living on borrowed time. Its state funding runs out in June of this year, and beyond that, the future is in doubt. From this moment onwards, this government is on borrowed time.
See also: borrow, living, on, time