talk sth up

talk something up (to describe somebody/something in a way that makes them sound better than they really are; to make something appear more important) — приукрашивать; выставлять в выгодном свете; расхваливать

Example 1: She really talked the idea up, but I don't think that everyone was convinced.

Example 2: I hate the way everyone is talking her up — Мне надоело, как все ее тут расхваливают(Гл)

Example 2: They talked up the tourist attractions to encourage more visitors. (OALD) )

cf
[put a spin on sth]
play sth up