be utterly entranced by its subject and still show virtually no understanding of it 
(ROOT (VP (VP (VB be) (ADVP (RB utterly)) (VP (VBN entranced) (PP (IN by) (NP (PRP$ its) (NN subject))))) (CC and) (ADVP (RB still)) (VP (VB show) (NP (NP (ADJP (RB virtually) (DT no)) (NN understanding)) (PP (IN of) (NP (PRP it)))))))
(ROOT (VP (VP (VB ) (ADVP (RB )) (VP (VBN ) (PP (IN ) (NP (PRP$ ) (NN ))))) (CC ) (ADVP (RB )) (VP (VB ) (NP (NP (ADJP (RB ) (DT )) (NN )) (PP (IN ) (NP (PRP )))))))