enlarge (up)on (something)

To add or supply more information or details about something. I can see you aren't familiar with this material yet, so allow me to briefly enlarge upon it for you. I asked the boss to enlarge on the details of the proposal for me.

Common Names:

Name	Pronounced	Usage
RacŁAw	RAHTS-wahf	Polish
Martin	MAHR-tən (English), mar-TEN (French), MAHR-teen (German, Finnish), MAHR-tin (Swedish, Norwegian, Danish), MAWR-teen (Hungarian), mahr-TIN (Bulgarian)	English, French, German, Swedish, Norwegian, Danish, Russian, Romanian, Czech, Slovak, Slovene, Croa
Jaakoppi	YAH:-kop-pee	Finnish (Rare)
Teun	TUUN	Dutch
'Avi'el	-	Biblical Hebrew
Mack (1)	MAK	English