TO DO A NUMBER ON SB/STH

TO DO A NUMBER ON SB/STH -Klaus really did a number on him, huh? -He compelled him to turn off his humanity. -Well, we’re just going to have to convince him to turn it back on. ENG: to deliberately do something that has a negative effect on someone or something. RUS: наносить ущерб, уделать кого-то. The Vampire Diaries.