clear up

Từ điển Oxford Advanced Learner 8th

▪ I. ˌclear ˈup derived
1. (of the weather)to become fine or bright
•I hope it clears up this afternoon.
2. (of an illness, infection, etc.)to disappear
• Has your rash cleared up yet?
Main entry: ↑clear_derived
 
▪ II. ˌclear ˈup | ˌclear sthˈup derived
to make sth clean and neat
• It's time to clear up.
• I'm fed up with clearing up after you!
•Clear up your own mess!
Main entry: ↑clear_derived