1 PHRASAL VERB 夸大;过分夸奖;吹捧 If someone talks up a particular thing, they make it sound more interesting, valuable, or likely than it originally seemed. 夸大;过分夸奖;吹捧 [Also VERB n PREPOSITION]
2 PHRASAL VERB 说服…提高出价;抬高…的价格 To talk someone or something up in negotiations means to persuade someone to pay more money than they originally offered or wanted to. 说服…提高出价;抬高…的价格 [mainly British] [Also VERB PREPOSITION n]