It means don't assume that you are smarter than someone older than you - they have experience and wisdom that you do not have at your age.
This phrase is used to suggest that someone is trying to teach something to someone who already knows it. It generally has a negative connotation as it implies the listener is being patronized or underestimated. It may not be well-received in a conversation, as it can come across as disrespectful.
The expression is: Do not teach your grandmother to suck eggs. It means Do not presume to instruct an adept. In the days before toothpaste, flossing and dentures were common, many elders had no teeth. Toothless grannies all knew perfectly well how to suck an egg for nourishment.
There isn't an idiom called "eggs basket." Perhaps you are thinking of the old proverb that says "don't keep your eggs in one basket."
The idiom is "Don't teach your grandmother to suck eggs." It already is a sentence. The meaning is that your elders have already learned anything you have, so don't think you're smarter than they are. You don't need another sentence except the one above.
To tread lightly on a subject
It is an old British and Australian saying.
hippos dont have eggs
Goats Dont have eggs
You dont
I dont know what do fresh eggs like???
Don't give advice to someone that knows more than you know about a subject. Typically, someone older and/or wiser. Sucking eggs was an old-time method (known by grandmothers) used to empty an eggshell so it could be decorated. It consisted of punching a small hole in each end and sucking out the contents.
they dont