a lease of life

a (ˌnew) lease of ˈlife

(British English) (American English a (ˌnew) lease on ˈlife) a chance for somebody/something to live/last longer; a chance to get more enjoyment and satisfaction out of life: The successful heart operation gave him a new lease of life.The outside of the city hall has just been thoroughly cleaned and it’s given the old place a new lease on life.
See also: lease, life, of