call it quits

基本解释

So, ensure that you're doing your best and if he is really not understanding your love and sacrifices, call it quits.
那么，确定一下你现在尽力去做了，如果他真的不明白你对他的爱和牺牲，那么结束这段关系吧。
"It's striking when a couple has been together 40 years and then they call it quits," Levenson told LiveScience. "It's not what we would expect."
“一对夫妻一起走过了40年后终止关系，这实在令人吃惊。”利文森告诉生活科学。这已超乎我们的想象
A tricky question for the reds is what would happen if Mr Thaksin opts to call it quits.
一个有趣的问题是如果他信选择让红衫军停止集会的话将会发生些什么。

Now one indie game funded on the site looks like it may have to call it quits.
FORBES: Fully Funded Kickstarter Game Goes Belly Up - 'Haunts: The Manse Macabre' Is Out Of Money As Programmers Call It Quits
Workers who made it to age 70 were allowed to call it quits.
FORBES: Fixing The Nagging Problem Of Social Security
Schutz also figures the bosses at Cowen and Gleacher may decide to call it quits and cash in for a premium.
FORBES: Magazine Article

to stop doing something
to agree with someone that a debt has been paid and that no one owes anything more