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
Sharif	-	Arabic, Urdu, Pashto, Persian, Malay
Kennith	KEN-ith	English
LÁRus	-	Icelandic
Feliks	fye-LEEKS (Russian), fee-LEEKS (Russian), FE-leeks (Polish)	Russian, Slovene, Polish
AnaÏS	a-na-EES (French)	Occitan, Catalan, French
Peg	PEG	English