Teach your grandmother to suck eggs Meaning in English
expression
Definition
To try to teach someone who already knows much more about the subject than you do, often making yourself look foolish.
Usage & Nuances
An old-fashioned, often humorous or sarcastic idiom; rarely used literally, only as a criticism when someone over-explains to an expert. Similar to 'preaching to the choir,' 'don't teach a fish to swim.' Regional variations exist.
Example Sentences
Don't teach your grandmother to suck eggs. She already knows how to do it perfectly.
basic
He tried to teach his grandmother to suck eggs by giving cooking tips to the master chef.
basic
If you explain grammar rules to a teacher, you might just teach your grandmother to suck eggs.
basic
Look, I don’t want to teach my grandmother to suck eggs, but maybe double-check the recipe?
natural
Are you really going to teach your grandmother to suck eggs and tell the IT guy how to fix the computer?
natural
He pulled out a manual during the class and tried to teach his grandmother to suck eggs—the professor just smiled.
natural