Rechercher
to have sth off down pat
01
to have a very good knowledge or understanding about something, to the point where one can do it with little or no thought or effort
![to [have|know] {sth} off down pat definition and meaning](https://cdn.langeek.co/photo/44780/original/?type=jpeg "to [have|know] {sth} off down pat definition and meaning")
Exemple
You must have that angle off down pat.
You've heard Jamie talk about the deal all week, so you should know the story off down pat.
