know onions

know your onions

(British & Australian humorous)

to know a lot about a particular subject That car salesman certainly knew his onions, didn't he?

Name	Pronounced	Usage
GÉRaud	zhe-RO	French
Lojze	-	Slovene
LÚCia	-	Portuguese
Catrine	-	Swedish
Yonina	-	Hebrew
Nanna (1)	NAN-nah (Danish), NAHN-nah (Swedish, Norwegian, Icelandic)	Danish, Swedish, Norwegian, Icelandic, Norse Mythology