jazz [sth] upvtr phrasal sepphrasal verb, transitive, separable: Verb with adverb(s) or preposition(s), having special meaning, divisible--for example, "call off" [=cancel], "call the game off," "call off the game."
informal (make more exciting)
使…变得更生动有趣一些
Mary decided to jazz up the room with some pictures.