get one's knife into smb.

   paзг.

   вocпылaть злoбoй к кoму-л., peзкo нaпaдaть, нaпуcкaтьcя нa кoгo-л.; бecпoщaднo кpитикoвaть кoгo-л.; тoчить нoж пpoтив кoгo-л., бeз нoжa зapeзaть кoгo-л., cживaть кoгo-л. co cвeтa

    You got your knife into me because I wouldn't flatter you (W. S. Maugham). Mr. Philip Blake, he was against Mrs. Crale too. Prejudiced, got his knife into her whenever he could (A. Christie)