idiomUKinformalIf thepennydrops, yousuddenlyunderstandsomething:恍然大悟,豁然开朗Shelookedconfusedfor amoment, thensuddenlythepennydropped.她一开始看起来有些不解,后来恍然大悟。SMART Vocabulary: related words and phrasesUnderstanding and comprehending
apprehend
apprehensible
apprehension
astutely
atyourfingertipsidiom
connection
figure
hold
keenness
keepsomeoneup
know a hawk from a handsawidiom
know the scoreidiom
know/see wheresomeoneis coming fromidiom
scale
uncomprehendingly
understand
voice recognition
wake up tosomething
wisdom
wise
See more results ?(Definition ofthe penny dropsfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/penny-drops##