"know something for certain" in Polish — inglés-Polish dictionary | see "know something for certain" in inglés

know something for sure
know something for certain

verbo
  1. wiedzieć coś na pewno
    We don't even know it for sure.
    Do you know it for sure?
    I don't know for certain.

know something for certain

verbo
  1. wiedzieć coś na pewno