Tā gùyì bǎ huàtí chàkāi, bù xiǎng huídá nàge wèntí.
He deliberately changed the subject, not wanting to answer that question.
Tips
usage
岔开 can be physical (a road branching) or figurative (diverting a conversation). When used for conversation, it implies an intentional, often evasive, redirection.
