idiom(alsowarning bells start to ring/sound)used todescribeasituationwhenpeopleseesignsthat somethingbadhasstartedor is going tohappen:察觉不祥之兆;警钟已经敲响For me, thewarningbellsstartedtoringwhen shelostall thatweight.她体重严重下降时,我就觉察到不对劲了。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 ofhear warning bellsfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/hear-warning-bells##