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
Mild&Thorn;Ry&Eth;	-	Anglo-Saxon
Luz	LOOTH (Spanish), LOOS (Latin American Spanish)	Spanish
Eutropius	-	Ancient Greek (Latinized)
KristĪNe	-	Latvian
Alicia	a-LEE-thya (Spanish), a-LEE-sya (Latin American Spanish), ə-LIS-yə (English), ə-LIS-ee-ə (English), ə-LISH-ə (English), ə-LEE-shə (English)	Spanish, English
Theofanis	-	Greek