a (whole) new ballgame

A situation that is completely different from what one is used to or expecting. Living away from home is a whole new ballgame for most young adults. I used to babysit, but having a child of my own is a new ballgame.

Common Names:

Name	Pronounced	Usage
Lisanne	lee-SAHN-nə	Dutch
Ainslee	['ænsli]
Katherina	kath-ə-REE-nə (English), kə-THREE-nə (English), kah-te-REE-nah (German)	English (Rare), German
Stina	-	Swedish, Norwegian, Danish
Micaiah	mie-KAY-ə (English), mi-KIE-ə (English)	Biblical
Khalilah	-	Arabic