To live or last longer than was expected.
Жить, работать или длиться дольше чем ожидалось.
Ever since his operation, Harvey felt he was living on borrowed time.
Mr. Brown was living on borrowed time because a year ago the doctors had told him he would only live six months.
My old fridge has been living on borrowed time for quite some time.
Мой старый холодильник работает дольше положенного срока уже приличное количество времени.