teach your grandmother to suck eggs
teach your grandmother to suck eggs
presume to advise a more experienced person
The proverb you can't teach your grandmother to suck eggs has been used since the early 18th century as a caution against any attempt by the ignorant or inexperienced to instruct someone wiser or more knowledgeable.
teach your grandmother to suck eggs :
Idioms Index – Previous Page
Related Links : teach your grandmother to suck eggs