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
EusÉBio	-	Portuguese
Ioram	-	Biblical Latin, Biblical Greek
Cynthia	SIN-thee-ə (English)	English, Greek Mythology (Latinized)
Leonti	-	Russian
Bhaskar	-	Indian, Hindi, Marathi, Telugu, Kannada
Sloan	SLON	English (Rare)