not know beans about

not know beans about something

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

Name	Pronounced	Usage
Isadora	[.izə'dɔ:rə]
Atte	-	Finnish
Charlton	KAHRL-tən, CHAHRL-tən	English
Honoria	-	Late Roman
Aglaea	-	Greek Mythology (Latinized)
Rein	RIEN	German, Frisian, Dutch