huckleberry above (one's) persimmon

dated 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
Mus'ad	-	Arabic
Kseniya	KSYE-nee-yah	Russian
Yenifer	-	Spanish (Latin American)
Whitmore	['hwitmɔ:]
Benito	be-NEE-to	Spanish, Italian
Nikhil	-	Indian, Hindi, Marathi, Gujarati, Odia, Telugu, Malayalam, Kannada, Tamil