Oh, gross. They're at it again.

恶心 他们又来了。

'Who are at it again? ' Alice asked.

“谁又斗起来了？”

While you are at it, quit smoking.

如果你有在吸烟的话，戒掉吧。

I'm killin' it at the open mic.

我要在脱口秀上大放异彩。

The job grows larger the longer I am at it.

我越理，要理的东西就越多。

While he was at it, he decided, he might as well mop the floor.

擦洗的时候，他决定不如把地也拖一拖。

Directly his back was turned they were at it again.

他一转身, 又恢复了老样子。

Check out some new PictureFit tees while you're at it.

大家可以去看看新款的 PictureFit T恤。

We've only been at it for a couple of hours.

我们接手这个案子才几小时。

At 3 pm the next day, he's at it again.

第二天下午 3 点，他又来拜访了。

When you've been at it as long as I have...

在这一行摸爬滚打了这么多年了。

But isn't it cold there at this time of the year?

但现在这时候那儿不是很冷吗？

Okay. And while we're at it, can we order a mouse?

好的。我们能不能订一只鼠标？

Why doesn't he just cancel Christmas while he's at it?

（台词）他为什么不趁着这个时候取消圣诞节呢？

And while you're at it, why not doors shaped like teardrops?

既然做了圆形的门， 那为什么不能有泪滴形的门呢？

And right now it's at, it depends on where you go.

现在的价格取决于你去哪里买。

Oh good! I replied. The reckless Mr. Land is at it again!

好嘛! 我回答，尼德·兰师傅又粗心大意起来了！

We've been at it for hours. If I could just rest.

已经练了几个小时了 我需要休息。

And while we're at it, we should also send submersibles to Enceladus.

当我们在做的时候，我们也应该派潜水器去土卫二。

And while you're at it, have a drink with a little alcohol.

当你生病的时候，还可以喝点含酒精的饮料。