From Longman Dictionary of Contemporary Englishbe/get back on your feetbe/get back on your feetto have enough money again, or to be successful again after having problems I need to get back on my feet again and forget all this. → foot
Examples from the Corpus
be/get back on your feet• But we are reliably informed that Angus will be back on his feet and more importantly that seat tomorrow.• He got back on his feet, and they all made another parade around the stage.• In those early years, Macey helped Dole literally get back on his feet.• We can get back on our feet.• Never got back on her feet again, really.• The Mirror Group would soon be back on its feet.• It was an inexpensive, safe, stable environment for families while they got back on their feet. 