be only a matter of time

US /bi ˈoʊnli ə ˈmætər əv taɪm/
UK /bi ˈoʊnli ə ˈmætər əv taɪm/
"be only a matter of time" picture
1.

ser solo cuestión de tiempo, ser cuestión de tiempo

used to say that something is certain to happen, but you do not know exactly when

:
It will be only a matter of time before they find out the truth.
Será solo cuestión de tiempo antes de que descubran la verdad.
With his talent, it's only a matter of time until he becomes famous.
Con su talento, es solo cuestión de tiempo hasta que se haga famoso.