talk round

verb
1.
(transitive, adverb) Also talk over. to persuade to one's opinion: I talked him round to buying a car
2.
(intransitive, preposition) to discuss the arguments relating to (a subject), esp without coming to a conclusion: to talk round the problem of the human condition
3.
(intransitive, preposition) to discuss (a subject) vaguely without considering basic facts: they talked round the idea of moving house quite forgetting they hadn't enough money