liven up

Từ điển Oxford Advanced Learner 8th

ˌliven ˈup | ˌliven sb/sth ˈup derived
to become or to make sb/sth more interesting or exciting
•The game didn't liven up till the second half.
•Let's put some music on to liven things up.
•You look as if you need livening up!
Main entry: ↑liven_derived