idiomsomething that you say when someone hasaskedyou about something that hashappenedand you do notwanttoexplainit to them because it would take toolong:说来话长(用于别人向你询问某事时,表示你不想解释,因为要花很长时间)"So why was Carloknockingonyourdooratmidnight?" "It's alongstory."“那为什么卡罗在午夜时分去敲你的房门呢?”“那可就说来话长了。”SMART Vocabulary: related words and phrasesDefining & explaining
account (tosomeone) forsomething
accountability
adduce
adumbration
annotation
annotator
demystify
demythologize
explicable
explicate
expound
lay
misdescribe
miswrite
nail
nailsomeonedown
non-defining
non-descriptive
outline
trace
See more results ?(Definition ofit's a long storyfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/it-s-a-long-story##