call it quits idiom UK informal
停止做
to stop doing something
(US call it even)同意债务已偿清，同意已互不相欠
to agree with someone that a debt has been paid and that no one owes anything more
I paid for last week's shopping and you paid for this week's, so let's call it quits. 上周买东西我付的钱，这周是你付的，这样我们就两不相欠了。