对我们来说，最终要与他们分开是很难的。
凯文惊讶于约翰如何把通常很难的数学作业解释得如此简单。
Kevin was amazed how John explained the usually very difficult math homework and made it look so easy.
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.
从外界认识自己是很难的，但是知道自己是谁，也就是拥有自我意识，可以帮助你理解感情，拉近友谊。
It can be difficult to see yourself from the outside, but knowing who you are, namely self-awareness, can help you understand feelings and make friendships closer.
他的父母认为，他需要花更多的时间在功课上，因为要成为一名职业体育明星是很难的。
His parents believe that he needs to spend more time on his homework because it is difficult to become a professional sports star.
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.
多诺霍说：“忘记尴尬的时刻是很难的。”
"It can be very hard to forget embarrassing moments," says Donohue.
你知道，要想把所有这些实际的东西都考虑进去并做好工作是很难的。
It's just so hard to think about all of those practical things and make good work, you know.
好奇心的缺乏导致了相应知识不足，而知识的缺乏即便可以弥补，但真正做到也是很难的。
That lack of curiosity produces a relative lack of knowledge, and the lack of knowledge is difficult if not impossible to compensate for later on.
有时候，一些很难的音乐作品中会有一些优美但简单的部分——初学者都能演奏的简单部分。
Occasionally, in some difficult musical compositions, there are beautiful, but easy parts—parts so simple a beginner could play them.
要记住，这两种补充的不同是很难的。
It's very difficult even to keep in mind the conceptual difference between these two sorts of supplement.
这两个方面的工作要同时做好是很难的。
And we must do these two tasks well at the same time, and this isa very difficult one.
识别需要处理的最重要机构性问题是很难的。
It can be hard to identify the most important organizational issues that need to be addressed.
相比之下，在这里你觉得谋生是一件很难的事。
Here, by contrast, you get the feeling that it's a pretty tough way to make a living.
图像复杂各异—把他们装换成定量数据是很难的。
The images are very complex and heterogeneous - not an easy type of information to convert into quantitative data.
内阁会议在要伦敦之外举行是罕见或很难的事情。
CABINET meetings outside London are rare and reluctant things.
醒来是很难的。
在这个年头要找到一个真正当地的巴黎人是很难的。
With such a large international population living in Paris, true natives are hard to find these days.
对公司来说知道双边市场中“正确”的价格是很难的。
It is hard for firms to know what the "right" prices are in two-sided markets.
如果你需要重构这些碎片,会有很多很难的问题等着我们。
That's a lot harder of a problem to solve if you need to reconstruct the fragmentation, yeah.
他决定选修这门很难的课程，结果整个夏天他忙得不亦乐乎。
He decided to take this difficult course, which had made him extremely busy during the summer.
一个男朋友甚至去参加很难的体操课，用这种方式来适应我。
One boyfriend even went on an arduous keep-fit regime in a bid to keep up with me.
为了取悦客户，要想克服抄袭其他设计师的作品的诱惑是很难的。
Overcoming the temptation to copy other designers in order to please a client can be difficult.
即使对于一个烹调艺术大师来说，准备一桌法式菜肴也是很难的。
Preparing French cuisine is very difficult, even for a master of culinary arts.
他所从事的理论涉及到几个天体物理学和理论物理中很难的问题。
The theory that he's working on involves several of the toughest problems in astrophysics and theoretical physics.
宽带搜索引擎要想在电子商务的各个领域都游刃有余，是很难的。
It's very difficult for broadband search engines to play a very big role in various areas of e-commerce.
下面是在反模式中考虑这个问题的方式：我从一个很难的问题开始。
Here's how to view this as an antipattern: I've started with a difficult problem.
这样的研究表明，要使公司在聘用人员下决定时抛弃偏见是很难的。
Such research suggests how hard it is for companies to get bias out of hiring decisions.
这样的研究表明，要使公司在聘用人员下决定时抛弃偏见是很难的。
Such research suggests how hard it is for companies to get bias out of hiring decisions.
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