on one's feet

phrase

1

: in a standing position

He works on his feet all day.

2

: in an established position or state

The business is finally back on its feet.

3

: in a recovered condition (as from illness)

I had the flu, but now I'm back on my feet.

4

: in an extemporaneous (see extemporaneous sense 1a) manner : while in action

good debaters can think on their feet