be a huckleberry over (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 over my persimmon.

Common Names:

Name	Pronounced	Usage
Darina (2)	-	Czech, Slovak, Bulgarian
Miina	MEE:-nah	Finnish
Pan	-	Greek Mythology
Hendrika	-	Dutch
Larkin	['la:kin]
Iiris	-	Finnish