tìm từ bất kỳ, như là blumpkin:
English expression meaning that a person is giving advice to someone else about a subject that they already know about (and probably more than the first person)
"I'm probably teaching granny to suck eggs, but............." (then explain in great detail what they already know/are expert in)
viết bởi rawkaren 09 Tháng mười, 2013