Commentary: Syntax Is: NP1 ENLARGE (NP2)
He enlarged the curriculum.
He enlarged the executive branch of government by appointing new ministers.
WordNet 3.0 Sense Numbers: 1, 2, 3
Commentary: Syntax Is: NP1 ENLARGE upon/on NP2
He enlarged upon the subject in his lectures at the University of
He enlarged on the abuses and corruption in the British Parliament.
WordNet 3.0 Sense Numbers: 4