be a question of time

be a question of time

To be an inevitability or eventuality; to be something that is or seems certain to happen at some point in the future. With your reckless spending behavior, it's just a question of time before you go broke.
See also: of, question, time
Farlex Dictionary of Idioms.

be a question of time

be certain to happen sooner or later.
See also: of, question, time
Farlex Partner Idioms Dictionary
See also:
  • a matter of time
  • a question of time
  • only a question of time
  • be just a question of time
  • be only a question of time
  • be just a matter of time
  • it's only, just, etc. a matter/a question of time
  • be only a matter of time
  • be all over bar the shouting
  • code of practice