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
MarÍA	mah-REE-ah (Spanish)	Spanish, Galician, Icelandic
Tuomo	TOO-o-mo	Finnish
Xanthippi	-	Greek
Barney	BAHR-nee	English
Marina	[mə'ri:nə]
KyÖSti	KUY-uus-tee	Finnish