教你一个地道的，ha.

teach your grandmother to suck eggs.（to give advice to someone about a subject that they already know more about than you）

所有跟帖： 

• Is this very xia liu? -湾玩挽万- ♂ (0 bytes) () 04/23/2010 postreply 15:28:23

• You overthought about it.The egg here is the egg from the chicke -lilac09- ♀ (0 bytes) () 04/23/2010 postreply 16:21:18

• Thanks lilac mm for clearing up :) -水中捞月- ♂ (0 bytes) () 04/23/2010 postreply 16:53:17