ابحث عن أية كلمة، مثل: smh
 
1.
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)
بواسطة rawkaren اكتوبر 9, 2013