viciously

atacar con saña

to assault someone in a cruel and violent way

agredir a alguien de una manera cruel y violenta

to strike someone forcefully with the foot in a cruel manner

to use offensive language in a very cruel and hateful manner

violar con saña

to commit the crime of rape in a particularly cruel and violent way

cometer el delito de violación de una manera particularmente cruel y violenta

gruñir con saña

to speak or growl in an angry, harsh, and threatening way

hablar o gruñir de una manera enojada, áspera y amenazante