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]

Name	Pronounced	Usage
Adkins	['ædkinz]
Radzimierz	rah-JEEM-yesh	Polish (Rare)
Diarmuid	-	Irish, Irish Mythology
Laurencia	-	English (Rare)
Maks	MAHKS	Russian
Nishant	-	Indian, Hindi, Marathi, Gujarati