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
Terach	-	Biblical Hebrew
Alla	AHL-lah	Russian, Ukrainian
Charalampos	-	Greek
Catriona	ka-TREE-na, ka-TREE-o-na	Irish, Scottish
Valdemar	VAHL-de-mahr (Finnish)	Swedish, Norwegian, Danish, Finnish
Agathangelos	-	Late Greek