Nearly 8,000 firefighters are hard at work amid high winds and arid conditions.

在干旱和强风环境下，八千名消防人员努力救火。

Inside Amazon's warehouses, AI is hard at work.

在亚马逊的仓库里，是AI在努力运作着。

Researchers are hard at work on solving them, he said.

他说，研究人员正在努力解决这些问题。

So, Olivia has been hard at work in her three days here!

奥利维娅已经在这里努力工作了三天！

The strange little fellow was hard at work, making a tiny shoe.

这个奇怪的小家伙正在努力工作，做一只小鞋子。

At the lunchtime hour, more than a dozen robots are hard at work.

在午餐时间，有十几个机器人在努力工作。

The health ministry is hard at work promoting generic drugs and pushing down prices.

卫生部在努力宣传非专利药和压低价格。

Say you're hard at work and your roommate offers you something to eat.

比如说你工作很努力，而你的室友给了你一些吃的。

But inside Bernie's shop, Ember was hard at work, slapping stickers onto various items.

但在火柱的商店里，小焰已经忙开了，她正快速给各种商品贴上红点贴纸。

The researchers say they saw that the brains of sleeping mice were hard at work.

研究者称看到睡眠中小白鼠的大脑也在忙碌工作。

It was hard at first... the twitching thumbs, the phantom vibrations, salads left un-Instagrammed.

一开始很难适应，大拇指抽搐，总觉得有震动，没被发到朋友圈的沙拉。

I'm just going through my boxes, and I knew you'd still be hard at it.

我正在研究那些盒子，而且我知道你肯定也还在鞠躬尽瘁。

Yesterday, I was hard at it trying to study for my Spanish language test.

昨天我埋头苦学，准备参加西班牙语考试。

Now, for bones to grow and develop properly, special bone cells, called osteoblasts, are hard at work.

在骨正常的生长发育过程中，有一种特殊的骨细胞，成骨细胞，起了至关重要的作用。

So, while it might be hard at first, you could technically survive as the last human on Earth.

因此，尽管万事开头难，但理论上，你还是可以作为地球上最后的人活下来。

A spokesperson for the city told CNN, they'd been hard at work on this construction of this futuristic road.

该市一位发言人告诉CNN，他们一直在努力建设这条未来化道路。

Back inside Happy's condo, Peter was hard at work on the cure for Flint Marko, when he abruptly stopped.

哈皮的公寓内，彼得正在努力研究弗林特·马尔科的治疗措施，却突然停了下来。

Well Neil, I've been hard at it at work today.

好了，尼尔，我今天工作很卖力了。

Spencer's been hard at work doing this.

斯宾塞一直在努力做这件事。

Down the hall Katie was hard at work.

凯蒂在大厅里正在努力工作。