Englisch ⇄ Russisch +

be a nut on Betonungen
Allg.	помешаться (на чем-л., smth. • "He's a nut on movies," Gail McKinnon went on. "He remembers every picture that's ever been made." (I. Shaw))
be a nut on something
Allg.	помешаться на (чем-либо)