a leader, a person in authority or a government that tries to control people’s behaviour and thoughts, but pretends to act for their benefit 老大哥(意欲控制人们思想行为的虚伪领导者) Word OriginFrom George Orwell’s novel Nineteen Eighty-Four, in which the leader of the government, Big Brother, had total control over the people. The slogan ‘Big Brother is watching you’ reminded people that he knew everything they did.