in and out

1. Thoroughly; down to the last detail. I've been studying this material for weeks now, so I know it in and out.

2. Alternating between being at or in a location and being gone from it. The boss has been in and out of the office all day.

Name	Pronounced	Usage
Chou	cho:	Japanese (Rare)
Nikolina	-	Bulgarian, Croatian, Serbian, Macedonian
Hanan (1)	HAY-nən (English)	Biblical
Silvestre	seel-BE-stre (Spanish)	Spanish, Portuguese
Mcpherson	[mək'fɜ:sn]
Quintilianus	-	Ancient Roman