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Chọn ngôn ngữ của từ điển
to teach one's grandmother (how) to suck eggs
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
Dialect
British
British
Humorous
Idiom
Offensive
Các ví dụ
I'm an experienced mechanic, so there's no need for you to teach me how to fix a car. Do n't teach your grandmother to suck eggs!
