do not tell me what I know, do not say what is obvious
You, a history major, telling me, a war veteran, about war? Don't teach your grandmother how to suck eggs!
do not tell me what I know, do not say what is obvious
You, a history major, telling me, a war veteran, about war? Don't teach your grandmother how to suck eggs!
Wayne Magnuson. English idioms vocabulary. Словарь английских идиом. 2012