Do you know the phrase “to jazz up“?

It means “to make something more interesting or better looking.”

E.g. 1

A: I don’t know what to wear to the party tonight. I’m thinking of wearing my blue dress, but it’s a little plain.

B: You could jazz it up with a sparkling necklace. 

A: Yeah, that’s a good idea.

E.g. 2

A: This restaurant is a bit boring.

B: Yeah, it is. They need to jazz up the rooms with some pictures and music!

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Question:

What do you think needs “jazzing up” in your town?