现任官员很难在选举中被击败。
Incumbent officeholders are difficult to defeat at the polls.
在丹佛，深夜出租车很难找，而且绝不便宜。
在以典型的能力多元化为特征的学校里很难评估一种基于话题的教学方法。
A topic-based approach can be hard to assess in schools with a typical spread of ability.
在如此忙碌的生活中，很难找到时间去锻炼。
With such busy lives, it can be hard to try and find the time to work out.
一些人认为很难在社交网站上保护用户的隐私。
Some people believe that it is difficult to protect users' privacy on social network sites.
当彼得在公众场合说话的时候，他总是很难想到合适的说话内容。
When Peter speaks in public, he always has trouble thinking of the right things to say.
很难相信这个造纸厂仅仅是在几年前白手起家办起来的。
One can hardly believe that this paper mill was started from scratch only a few years ago.
县长杰森·沃德在一份声明中说：“看到这么多蜜蜂死亡，我很难过。”
County manager Jason Ward said in a statement, "I'm not pleased that so many bees were killed."
因为这些技能很难自动化，它们不仅会被整合到课程中，在未来也将变得非常重要。
Not only will those skills be actually integrated into the curriculum but they will be very important to have in the future because they are difficult to automate.
除了乏味的、没处理好的、不含大量糖分的肉、鱼或蔬菜外，在超市里很难买到其他东西。
It's difficult to buy anything in a supermarket, other than plain, unprepared meat, fish or vegetables, which doesn't have a large amount of sugar in it.
童年的饮食模式在我们成年后很难打破，这也许意味那些有着抑郁的母亲的孩子们最后会早逝。
Patterns of childhood eating can be hard to break when we're adults, which may mean that kids of depressed moms end up dying younger.
在第四种情况下，几乎没有其他选择并且很难进行更改，伙伴关系可能是不可避免的。
In Type 4 situations, where there are few alternatives and change is difficult, partnerships may be unavoidable.
在新的全球经济中，未能完成九年级学业并通过大学预科课程的学生很难按时毕业并找到工作。
In the new global economy, students who fail to finish the ninth grade with passing grades in college preparatory coursework are very unlikely to graduate on time and go on to get jobs.
很难理解捕食减少是如何导致在特定年份的同一时间内，几个地方的棘冠海星数量突然增加。
It is difficult to understand how reduced predation would lead to sudden increases in Acanthaster numbers in several places at the same time in specific years.
这很难用科学的方法来量化，因为这种超感官刺激在自闭症患者之间差异很大。
This is difficult to scientifically quantify as such extra-sensory stimuli vary greatly from one autistic individual to another.
“即使在地球上，两足机器人也很难在崎岖不平的地面上行走。”这位官员说。
"It is still difficult for a biped robot to walk on a bumpy surface, even on Earth," the official said.
在奥利弗等明星厨师开始让烹饪变得时尚之前，在伦敦很难找到一家晚9点以后营业的餐厅。
Before star chefs such as Oliver began making cooking fashionable, it was hard to find a restaurant in London that was open after 9 pm.
这只壁虎栖息在一根树枝上，它与周围环境融合得如此之好，以至于在树叶中很难发现它那盘状的身体。
The gecko, perched on a branch, has blended itself into its surroundings so well that its coil-shaped body is hard to spot amid the foliage.
如果一个罐子没有底部，或者在它的侧面有很大的开口，那么它就很难被认为是传统意义上的容器。
If a pot has no bottom or has large openings in its sides, it could hardly be considered a container in any traditional sense.
在韩语中没有复数形式的动词，所以这也很难。
There's not really a plural form of verbs in Korean, so then again it's also difficult.
在老师的鼓励下，我几乎可以解决所有起初对我来说很难的问题。
Being encouraged by my teachers, I can solve almost all the problems that seemed difficult for me at first.
在一些地区，很难找到会修理的人，而且修理东西可能非常昂贵。
In some areas, it's difficult to find people who can make repairs, and fixing things can be quite expensive.
我母亲在我出生时就去世了，这让他一看到我就觉得很难过。
My mother died when I was born and it makes him wretched to look at me.
在美国，人们的生活受到汽车支配。由于没有便宜优质的公共交通工具，所以很难去其他地方。
Life is usually controlled by cars in the US. There's no cheap and good public transportation, so it's so difficult to get somewhere.
事实上我一直在考虑提供额外的加分，因为我一直很难找到志愿者。
Actually I've been considering offering extra credit, because I've been having a tough time getting volunteers.
在我被如此需要了这么长一段时间之后，很难退一步，并且觉得自己是多余的。
When I've been needed so much for such a long time, it's hard to step back and feel unnecessary.
在第三和第四阶段（通常称为“深度睡眠”），这时唤醒一个人是很难的。
During stages three and four (often called "deep sleep") , it is very hard to wake up a person.
在我们万物互联的世界中，无聊也许是一种很难定义的状态，却也是一种丰富的状态。
In our always-connected world, boredom may be a hard-to-define state, but it is a fertile one.
在漫长的飞行旅途中，加拿大雁朝着同一个目的地努力，却很难让彼此高兴起来。
During the long flying journey, Canada geese hardly cheer one another up while working toward the same destination.
在坦桑尼亚这样的国家，水是很难弄到的，而收集水的工作就落在了女性的肩上。
In countries like Tanzania, water is hard to get, and the job of collecting water falls on women's shoulders.
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