idiomtorecognizeanopportunityto takeadvantageof someone who is in adifficultsituation:发现有机可乘;意识到可以乘人之危When shesmellsblood, you don't get a secondchance.当她意识到机会来了时,你就没有第二次机会了。SMART Vocabulary: related words and phrasesOpportunity
another/a second bite at/of the cherryidiom
be in with a shoutidiom
best betidiom
bite
break
foot
half
hay
headroom
it's now or neveridiom
last chance saloon
look in
pass
scope
shop window
sneak peek
the American dream
there are plenty more fish in the seaidiom
toehold
window
See more results ?(Definition ofsmell bloodfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/smell-blood##