Big brother is a character in the novel Nineteen Eighty-Four by the British writer George Orwell (who also wrote Animal Farm). Big Brother is the dictator of a totalitarian state in which people are under constant surveillance. They are continually reminded of this by the slogan they see and hear everywhere: " Big Brother is watching you."
Novel |ˈnɒv(ə)l| - роман
Dictator |dɪkˈteɪtə| - диктатор
Surveillance |səˈveɪl(ə)ns| - надзор, наблюдение (особ. за подозреваемым в чём-л.); слежка
Slogan |ˈsləʊɡ(ə)n| - лозунг, девиз, призыв, боевой клич, рекламная формула