Why not tell her you're quitting and have done with it?

为什么不告诉她你打算辞职，尽快把这件事了结了呢？

《牛津词典》

He's tired of it, and done with it.

他已经厌倦了，玩够了。

youdao

If he only had a clean Sunday-school record he could be willing to go, and be done with it all.

要是他在主日学校里表现清白，他就会心甘情愿地去，一了百了。

youdao

It was agreed this could be more easily done with the aid of a dam.

VOA: special.2009.08.12

Well if I-- you know, with let me say it differently. I don't need to worry about how checking is done, it's handled inside of that function.

好，如果你们知道，抱歉，让我们换种说法,我不必担心检查工作,是则会么做的，这是在方法体内部进行的。

麻省理工公开课 - 计算机科学及编程导论课程节选

And a lot of it is done with real objects, but there's also animated versions so here is an animated example.

大部分实验启用了实物,但也有些动画视频,这就是个动画的例子

耶鲁公开课 - 心理学导论课程节选

After we get done with it, there will hopefully be a new definition of low-cost.

FORBES: Magazine Article

So why not just wrap her in designer clothes and be done with it?

ECONOMIST: Let Michelle be Michelle

And what have they done with it, reversed it and crime is now rising again.

BBC: News Online