O, hükümetin kendi haklarına nasıl zarar verdiği hakkında nutuk atmaya başladı. - He launched into a tirade about how the government is encroaching on his rights.
If someone harangues you, they try to persuade you to accept their opinions or ideas in a forceful way. An argument ensued, with various band members joining in and haranguing Simpson and his girlfriend for over two hours. to speak in a loud angry way, often for a long time, in order to criticize someone or to persuade them that you are right harangue sb about sth (aringa)
A speech addressed to a large public assembly; a popular oration; a loud address to a multitude; in a bad sense, a noisy or pompous speech; declamation; ranting