to have something down pat
01
to know something so perfectly that one can do it at anytime without having to focus or think
Dialect
American
American
![to [have|know] {sth} down pat definition and meaning](https://cdn.langeek.co/photo/44780/original/?type=jpeg "to [have|know] {sth} down pat definition and meaning")
Idiom
Informal
例
She knows the piano piece down pat; she can play it flawlessly.
After years of practice, he has the presentation down pat and can deliver it without any hesitation.
