green as a gooseberry

Very young, immature, and/or inexperienced. Are you sure he's fit to run your campaign? He's just out of college and still as green as a gooseberry!

Name	Pronounced	Usage
Rozanne	ro-ZAN	English
RacŁAw	RAHTS-wahf	Polish
Raymond	RAY-mənd (English), re-MAWN (French)	English, French
Mcfarland	[mək'fa:lənd]
Dorofei	-	Russian
Mahine	-	Persian