up on something, be

up on something, be

Be well informed or up-to-date about something, as in I'm not up on the latest models of cars. [Colloquial]

See also: on, up

Common Names:

Name	Gender	Pronounced	Usage
Kemp		[kemp]
Junius		-	Ancient Roman
Branch		[brɑ:ntʃ]
Mintxo		-	Basque
Mayme		-	English
Jeanna		JEE-nə	English

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