SWITCH OFF

а. выключать ток; б. разъединять телефонного абонента; в. давать отбой; г. выключать радиоприемник; Why did you switch off the radio? I was enjoying the music. д. заставить замолчать; Once he starts telling his favourite adventures, it's impossible to switch him off; е. (заставить) потерять интерес, Dull subjects like this are enough to switch any student off.