Sometimes， I just want to call it quits.

我有时真想辞职了事/有时我真想一死了之。

youdao

Nobody wants fights. Let's call it quits.

没人想打架，让我们和解吧。

youdao

So when do you really know it's time to call it quits?

因此什么时候你才能真正知道现在是该放弃的时候了。

youdao

Mr.Hariri's inability to form a unified government led him to call it quits.

VOA: standard.2009.09.11

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

Woods broke his leg and had to call it quits for the season.

WSJ: DJIA: The Dow of Tiger Woods