He's hard at work on a new novel.
他正努力忙着写一本新小说。
Children are hard at work in the study hall.
孩子们在自习室里刻苦学习。
They lay snug and warm amid the blankets and watched their sister hard at work.
他们躺在温暖舒服的毯子中，看着姐姐辛苦地干活。
牙医在辛勤工作。
Some are hard at work and some are slack in work.
有的勤奋工作，有的则消极怠工。
她们正在辛勤工作着。
You are still hard at work, I see?
我看你工作得还是很辛苦？
He's hard at work on a new picture.
他正在努力地画一幅新画。
The squire was hard at work at Bristol.
乡绅在布里斯托尔热衷于他的工作。
他正在努力工作。
I've been really hard at work on this show.
我一直都很努力地工作在这个节目。
Last week, the indefatigable Helios was hard at work.
上周，孜孜不倦的太阳神勤奋工作。
I'm sure we'll find her hard at work when we get home.
我确信我们到家时会发现她还在埋头工作。
We are hard at work planning how we will put this law into effect.
我们正在努力工作，提出实施法律的工作计划。
But if rest is the goal, why does our brain remain hard at work?
但是如果目的仅是休息，为什么我们的大脑仍然保持辛苦的工作状态呢？
Researchers are hard at work trying to gauge how much will melt and when.
研究人员正在努力工作，试图估算出将有多少会消融以及何时消融。
Chinese economic negotiators have also been hard at work closer to home.
中国经济谈判代表在家门口同样表现不俗。
I was hard at work on a museum project when the client abruptly canceled it.
当我正在为一个电影院项目努力工作的时候，我的客户突然取消了这个项目。
In the meantime, the Indian black-market gold dealers have been hard at work.
与此同时，印度黑市的黄金交易商忙碌起来。
The men and women hard at work in this plant make me absolutely confident of that.
在这家工厂勤劳工作的人们使我坚信这一点。
A widow, thrifty and industrious, had two servants, whom she kept pretty hard at work.
一个寡妇，既节俭又勤劳，她对两个仆人的要求也相当严厉。
Integrated hardware components, in particular highly delicate hard drives, are hard at work every day.
集成的硬件组件(特别是高精密的硬盘驱动器)每天都在不知疲倦的运转。
Success never seems to come but through hard work, often physically demanding work at that.
成功不通过努力工作似乎是无法取得的，而且往往是很耗费体力的工作。
At the end of the day, you really do need to work hard and get really, really good at what you do.
最后，你真的需要努力工作，才能把你所做的事情做得非常非常好。
I find it hard to work at home because there are too many distractions.
我发觉在家里工作很难，因为使人分心的事太多。
People tend to work hard at this stage of life.
人在这个人生阶段往往发奋努力。
After work, it is hard to psych yourself up for an hour at the gym.
下班后很难再让自己精力充沛地去健身房运动一个小时。
You might be in for a shock at the sheer hard work involved.
对所涉及的这些绝对艰难的工作，你也许会大吃一惊。
在学校努力学习！
在学校努力学习！
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