Improve Know all meaning in Urdu

Is there any meaning of the word know all that needs an edit? Please click that meaning to rewrite it.

سب جانتے ہیں

Is there any meaning of the word know all that needs to be removed from the list? Please click that meaning to mark it for deletion.

سب جانتے ہیں

Do you want to add a new meaning, definition, and a sentence of the word know all? Please feel free to add.