cause (someone) to feel frightened, disturbed, or in danger.
many people were alarmed by the decision
同义词：
frightenscarepanicstartleunnervedistressagitateupsetflusterruffledisconcertshockdauntdismaydisturbwork upterrifyterrorizepetrifymake someone's blood run coldfrighteningstartlingunnervingshockinghair-raisingdistressingupsettingdisconcertingperturbingdismayingdisquietingdauntingdisturbingharrowingfearsomedreadfulmonstrousforbiddingappallingchillingterrifyingpetrifyinginformal：put the wind up someonerattlespookscare the living daylights out ofinformal：scary
