i am a new girl in dreamworld please help me...

hi i heard that to burn already brned cds of drwamcast games i must use disc juggler , nero , clone.i try to burn few games that a friend gave to me he bhought them from a pirate that copies dreamcast games, using disc juggler but no luck !!!please can you tell me what options i must ##### in discjuggler so i can burn dreamgames
please help me...