to make something seem far better than it is and therefore much more attractive

The film over-glamorizes the life of a man who actually committed some horrendous crimes. 这部电影（过度）美化了一个实际上犯了可怕罪行的人。

It is easy to over-glamorise what the island has to offer. 关于这个海岛可以提供什么很容易被夸大。