teach (one's) grandmother to suck eggs



teach (one's) grandmother to suck eggs

To try to teach an older person who is wiser and more experienced and wordly than a young person may think. Why are you explaining basic typing to Ethel? Yes, she's 70, but she's been using a computer since before you were born—quit teaching your grandmother to suck eggs.
See also: egg, grandmother, suck, teach

Common Names:

NameGenderPronouncedUsage
Briggs[brigz]
JustyJUS-teeEnglish
Zechariahzek-ə-RIE-ə (English)Biblical, English
Kim (3)KEEMVietnamese
Penko-Bulgarian
Chryssa-Greek