make sure in Polish
make sure in Polish
upewniać
To make oneself certain (of something, or that something is the case); to verify, to ascertain. [from 17th c.]
upewniać się
To make oneself certain (of something, or that something is the case); to verify, to ascertain. [from 17th c.]
upewnić
To make oneself certain (of something, or that something is the case); to verify, to ascertain. [from 17th c.]
upewnić się
To make oneself certain (of something, or that something is the case); to verify, to ascertain. [from 17th c.]