to teach one's grandmother (how) to suck eggs

“ teach one's grandmother (how) to suck eggs”的英语定义和含义

to teach one's grandmother (how) to suck eggs
01

to offer unnecessary or redundant instruction or advice to someone who is already experienced or knowledgeable in that particular area

Dialectbritish flagBritish
HumorousHumorous
IdiomIdiom
OffensiveOffensive
example
例子
John, please do n't teach your grandmother how to suck eggs. She's been baking for decades and knows more than you do.
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