be a huckleberry above (one's) persimmon

dated To be somewhat or slightly beyond one's abilities or talents. Primarily heard in US. I'd like to help you fellas out, but I'm afraid herding cattle is a huckleberry above my persimmon.

Common Names:

Name	Pronounced	Usage
Kimberley	KIM-bər-lee	English
Larkin	['la:kin]
Mortimer	MAWR-ti-mər	English
Armazi	-	Georgian Mythology
Viliam	-	Slovak
Basile	-	French