have done with something

Từ điển Oxford Advanced Learner 8th

▪ I. have ˈdone with sth idiom
(especially BrE)to finish sth unpleasant so that it does not continue
•Let's have done with this silly argument.
Main entry: ↑have_idiom
 
▪ II. be/have ˈdone with sth idiom
to have finished dealing with sb, or doing or using sth
•If you've done with that magazine, can I have a look at it?
Main entry: ↑done_idiom