know beans about

not know beans about something

(American & Australian informal)

to know nothing about something I don't know beans about computers - I've never even used one.

Name	Pronounced	Usage
Engel	-	German (Rare), Ancient Germanic
Baillif	['beilif]
Hewie	HYOO-ee	English (Rare)
Uilleam	-	Scottish
Dionisio	dyo-NEE-syo (Spanish), dyo-NEE-zyo (Italian)	Spanish, Italian
Jordana	hor-DAH-nah (Spanish), jawr-DAN-ə (English)	Spanish, Portuguese, Macedonian, English (Rare)