know (something) inside and out

To be well-versed in and/or very familiar with something. I'm ready for this exam—I know genetics inside and out! I think Mary will do great at the audition, now that she knows the dance inside and out. These cabbies know the city streets inside and out.

Common Names:

Name	Pronounced	Usage
Laci (1)	-	Hungarian
Chan	-	Khmer
Srinivas	-	Indian, Telugu, Kannada, Tamil
Amin	-	Arabic, Persian, Urdu
Endre (2)	-	Norwegian
Phaidros	-	Ancient Greek