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1·She works harder than he does.

她工作比他努力。《牛津词典》

2·You must try harder.

你得更加努力。《牛津词典》

3·The job turned out to be harder than we thought.

这工作结果比我们想象的要难。《牛津词典》

4·Everything has become just that little bit harder.

一切都变得艰难了。《牛津词典》

5·Desegregation may be harder to enforce in rural areas.

废除种族隔离可能更难在乡村地区实施。《柯林斯英汉双解大词典》

6·We need to work harder to remain competitive with other companies.

我们必须更加努力工作以保持对其他公司具有竞争力。《牛津词典》

7·It was probably much harder for older people. Don't you think?—Right.

“这对老年人来说可能要困难得多。你不这么认为吗？” — “对。”《柯林斯英汉双解大词典》

8·The premise is that schools will work harder to improve if they must compete.

前提是各学校如必须竞争就会更加努力改进。《柯林斯英汉双解大词典》

9·It is becoming harder for the authorities to sucker healthy banks into taking over smaller ones.

当权者要欺骗营运良好的银行接管小银行越来越难。《柯林斯英汉双解大词典》

10·He studied harder than ever.

他学习比以前努力了。

更难

1·Desegregation may be harder to enforce in rural areas.

废除种族隔离可能更难在乡村地区实施。《柯林斯英汉双解大词典》

2·Making peace is harder than making war.

休战比发动战争更难。

3·This makes it harder for the marginal manager to gain employment.

这导致边缘化的经理更难就业。

4·Honestly, the harder classes that I'm in are intermediate microeconomics.

老实说，我现在上的更难的课程是中级微观经济学。

5·They have to distinguish between words in upper and lower-case letters or even harder, they had to count the number of syllables in different words.

他们必须区分大写和小写的单词，或者更难的是，他们必须数出不同单词的音节数。

更加困难

1·Young and old converge on one key point: Overwhelming majorities of both groups said they believe it is harder for young people today to get started in life than it was for earlier generations.

年轻人和老年人在一个关键问题上达成了一致：两个群体中的绝大多数人都认为，与前几代人相比，现代年轻人开启新生活更加困难。

2·You have to know where the vowels are supposed to go, and that makes it harder to learn how to read.

你必须知道这些元音都应该加在哪，这使得学习如何阅读变得更加困难。

3·It will be an even harder comeback this time.

这一次，我们的恢复甚至可能更加困难。

4·Obstructions of this sort make it all the harder to settle other essential matters swiftly.

类似这样的障碍使迅速解决其它重要事项更加困难。

5·Municipalities, half of which are in serious trouble, are finding it harder to deliver basic services, let alone to expand provision of water, sanitation and electricity.

各市政当局发现，提供基本服务都更加困难，其半数处于严重困境，罔论保障供水、提供公共卫生服务与供电了。

更努力的

1·Do you know what your employees want-what motivates them to work harder and to become more efficient and effective?

你知道员工需要什么吗？——什么能够激励员工，促使他们工作得更努力、更有效率、更效益呢？

2·I regret not studying harder.

我后悔没有更努力学习。

3·They had nothing but contempt for the notion of special treatment for the sisters, and instead insisted on getting ahead by dint of working harder and thinking smarter.

她们对于要给“姐妹们”特殊待遇这种说法嗤之以鼻，坚持要靠工作更努力，想法更精明来获得成功。

4·Some clean-tech executives give warning that companies need to lobby harder for a global emissions deal rather than pretending that getting an agreement doesn’t really matter.

一些清洁科技主管告诫，企业们不应装作达成协议不是真的重要，而是需要为全球排放协议更努力的游说。

5·A happy ending: the residents of the deficit country could work harder and more productively.

完美结局：逆差国家的居民工作更努力而且更多产。

越努力

1·They believe the harder their children study, the happier life they will have in the future.

他们相信孩子学习越努力，他们将来的生活就会越幸福。

2·Winners realize the harder they work the luckier they are.

成功者知道他们越努力工作，越幸运。

3·But the harder I tried, the more disturbed my mind was.

但我越努力，我的心灵就越受干扰。

4·The harder you don't try, the more powerfully it works.

你越努力“不试”，效果越有力。

5·The harder you try to forget, the deeper it carves in your memory.

你越努力去忘记的东西，就会在你的记忆越深刻地存在。

更困难

1·Such big plants are harder to finance than small photovoltaic installations, and require more planning permissions and infrastructure, such as transmission lines. But they produce a lot of power.

这样规模的工厂相比小型的光电装置在筹措资金方面更困难，并要求更繁琐的规划许可和基础设施，如传输线，但是其产电量很大。

2·In Asians, too, the attention areas lit up more during the harder task - estimating the line's length without comparing it to the square.

同样，亚洲人在完成更困难的任务时——在没有正方形比较的情况下估算直线的长度，注意力区域活动更剧烈。

3·All these examples have one thing in common: the tool made the developers' lives harder instead of easier!

所有这些例子有一个共同点：工具使得开发者的工作更困难而非更简单！

4·- basically a negative feedback loop which ensures that as the reactor's power output goes up, it becomes ever harder to squeeze still more power out of it.

基本上，一个呈现负值的反应就能确保随着反应堆功率产出开始提升，把更多的功率挤压到外部就变得更困难。

5·The harder question is where-and by how much-financial regulation should be extended.

更困难的问题在于，应该在哪儿扩大监管，并且扩大到什么程度。

较难

1·Calculations of computational complexity seem to be one of the harder subjects for students; there's no doubt of their value, though, when they lead to such speedups.

对于学生来说，计算“计算复杂度”似乎是较难的课题之一；但是当这些方法产生这样的加速时，它们的价值无庸置疑。

2·A harder problem is satisfying the second condition.

一个较难的问题满足了第二个条件。

3·Pulling off another red invasion of Bangkok may be harder.

“红衫军”想再次成功侵入曼谷可能会较难。

4·Have enter dish drop the likelihood of pattern, hind city is forecasted harder.

有进入盘跌格局的可能，后市较难猜测。

比较难

1·It’s harder in America.

在美国就比较难。

2·It's harder in America.

在美国就比较难。

3·You can learn and be taught hard skills but soft skills are a little bit harder.

你可以学习一些专业技能，但软实力是比较难学的。

4·If these mistakes did not appear, should be logical error so, this kind of mistake is checked harder, because it does not affect a program to move, be about right now test your work force.

如果这些错误都没有出现，那么就应该是逻辑错误了，这类错误比较难查，因为它并不影响程序运行，此时就要考验你的功力了。

5·And at Mom's age, they're harder for her.

而且在妈妈的年龄，他们对她是比较难的。

更硬

1·It was played on electric guitars with bass and drum backing and the sound was now harder and more driving. the white equivalent ot rhythm and rues was coming out of Nashville Tennessee.

节奏布鲁斯用电吉他演奏，低音大提琴和鼓伴奏。这种布鲁斯声音更硬，更有力，白人演奏家演奏的节奏布鲁斯源于田纳西州的纳什维尔。

2·Small amounts of iridium are commonly added for a harder, stronger alloy that retains platinum's advantages.

一般加入少量的铱形成更硬、更强的合金，而又包括了铂的优点。