/??sku?l.b?? ?er.?/(USrookie mistake,uk/?r?k.i m??ste?k/us/?r?k.i m??ste?k/)abasicmistake, like one that apersonwith noexperienceof anactivitywould make:小学生才犯的错，最基本的错误Sending thewrongmessageto thewronggroupis aschoolboyerroryou willavoidwith thehelpofourapp.在我们的应用程序帮助下，你可以避免向错误的组发送错误的信息这样的基本错误。SMART Vocabulary: related words and phrasesFaults and mistakes
aberration
Achilles heel
adrift
black mark
blemish
error
failing
false move
faux pas
flaw
malaprop
miscue
misfunction
misperception
misprint
that's/it'syourfuneral!idiom
typo
wardrobe malfunction
weakness
what price...?idiom
See more results ?(Definition ofschoolboy errorfrom theCambridge Advanced Learner's Dictionary & Thesaurus? Cambridge University Press)#https://dictionary.cambridge.org//dictionary/english/schoolboy-error##
