idiomC2to makepeopleunderstandthedangerof something:发出警报;报警Alocaldoctorwas the first toraisethealarmabout thislatestvirus.当地一名医生最先就这种最新病毒向人们发出警告。SMART Vocabulary: related words and phrasesThreats & warnings
(just) you waitidiom
alarm bell
beware the ides of Marchidiom
brushback pitch
canary
canary in a coalmineidiom
caveat
communication cord
don't you dareidiom
false alarm
heads-up
send a signal (to sb) thatidiom
slip
there's many a slip twixt cup and lipidiom
tip
tipsomeoneoff
trigger warning
ultimatum
warning
yellow card
See more results ?(Definition ofraise the alarmfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/raise-the-alarm##