危言耸听: say frightening things just to raise an alarm; an alarmist talk; a shocking statement attracts attention.; exaggerate just to scare people; exaggerate things just to scare people; make an
妄自尊大: be overbearing; aggrandize oneself; be arrogant and overweening; be eaten up with pride; be given to swaggering; be overweening; be puffed up with pride; be puffed up with self-importance;
