teach your grandmother to suck eggs
成語所屬單字egg
teach your grandmother to suck eggs — 慣用語
1. To give advice to someone who is more experienced than you.
1.慣用語
釋義
班門弄斧
To give advice to someone who is more experienced than you.
例句
Trying to explain cooking to Chef Ana is like teaching your grandmother to suck eggs.
Don't teach your grandmother to suck eggs; she has been doing this for years.