A person who needlessly alarms or attempts to alarm others,as by inventing or spreading false or exaggerated rumors of impending danger or catastrophe.

• 大惊小怪者；危言耸听者不必要地进行警告或试图警告别人的人，如对即将来临的危险、灾难加以捏造或传播虚假夸张的谣言。