إخلال بالأمن العام

إِخْلال بالأمن العام \ riot: a violent outburst of public disorder. \ أَخْلَفَ الرَّجاءَ \ disappoint: not to fulfil sb.’s hopes; make sb. sad by not fulfilling one’s promises: His low marks in science disappointed his teacher. I was disappointed at his absence from my party.