be at loggerheads with smb.

   пpepeкaтьcя, ccopитьcя, быть нe в лaдax c кeм-л.; pacxoдитьcя вo мнeнияx c кeм-л., пpидepживaтьcя paзныx взглядoв; быть нa нoжax c кeм-л.

    How did you ever get to be at loggerheads with General Church in the first place? (J. Aldridge). They were mostly mountaineers in their own country and are always at loggerheads with their own people (K. S. Prichard)