Getting out of the bed in the morning may seem very hard, even impossible.
早晨起床变得很困难，甚至像是不可能的。
Except for cancer, samples of diseased tissue are difficult or even impossible to take from living patients.
除了癌症以外，许多病变组织的样本很难或是根本不可能从存活着的患者那里获得。
In some work environments this may seem impractical, or even impossible, but the principle can be applied to any situation.
在一些工作环境中，这可能不太实际，或甚至不可能实施，但它的原理可能适用于任何情况。
Bad sectors slow down hard disk performance and sometimes make data writing (such as file saving) difficult, or even impossible.
坏扇区降低硬盘性能，有时甚至使数据写入(如文件保存)困难，甚至是不能。
It's trivial to get the data out of this file, but it's hard — even impossible in some circumstances — to adjust the data in the PHP file.
将数据从此文件中提取出来是轻而易举的，但在该PHP文件中调整数据却很困难，在一些情况下甚至是不可能的。
And then, even impossible dreams become real.
那么，即使不可能实现的梦想也会实现。
This can make it difficult or even impossible to swallow.
这也能让咽口水变得很困难甚至不可能。
Some people use this trick to make a goal harder, or even impossible, to reach.
一些人会利用这种窍门让目标变得更加难以实现，甚至无法实现。
Some people use this trick to make a goal harder--or even impossible-- to reach.
有些人用这个把戏使目标变难--甚至是不可能--达到。
Once a habit is formed, it's difficult or even impossible to change or get rid of it.
一旦习惯养成就很难甚至不可能改变或者戒除。
If this continues, they can worsen and may make certain activities difficult or even impossible.
长此以往，情况会逐渐恶化使某些活动难于完成甚至无法完成。
The task was becoming increasingly difficult, and even impossible, due to the high prices on the auction floors.
由于拍卖场出现的高价格，这项任务变得越来越艰难，甚至不可能完成。
Without the production and supply of material goods, it is difficult or even impossible to realize any other human right.
没有物质资料的生产和供给，人类其他一切权利的实现都是非常困难或不可能的。
So, a moving target is a goal that keeps changing. Some people use this trick to make a goal harder — or even impossible — to reach.
所以，移动的靶子意思是目标一直改变。有些人用这个把戏使目标变难——甚至是不可能——达到。
Further, many wellbores prove to be difficult or even impossible to measure with conventional wireline tools, especially highly deviated Wells.
更进一步，使用常规的钢缆工具，许多井，尤其是大斜度井，很难甚至是不可能进行测量。
If someone wants to Sue someone else for maligning his or her reputation in a case like this, collecting evidence will be difficult or even impossible.
像这个案件一样，如果某人想起诉别人侵犯名誉权，搜集证据会很难甚至不可能。
If the customer is used to buying development with a fixed price model, or has formal guidelines, it can be quite a big-or even impossible-change for the customer.
如果客户习惯于以固定价格的模型购买开发工作，或者具有正式的指导原则，则采用敏捷开发流程对客户来说是非常大——甚至不可能——的更改。
Traditional filtered backprojection (FBP) method required complete projection data, which were often difficult or even impossible to acquire for objective reasons.
传统的滤波反投影算法(FBP)要求完备的投影数据，而实际检测中往往由于客观原因无法获得完全的投影数据。
Precision machining, as a manufacturing technique of micro - optical components, has many advantages which are difficult or even impossible for other traditional methods.
超精密机械加工技术作为微光学元件的一种制造方法，具有很多其他传统方法所不具有的优点。
One of the problems when people get sick from food is that the simplest question is often difficult or even impossible to answer. Just what did the people eat that made them sick?
人们因食品而生病的其中一个问题是，其中最简单的问题通常很难或者不可能回答，那就是：人们到底食用了什么才生病的？
The word sketchy here is not pejorative because millennia of philosophy of language have shown how hard (or even impossible) it is to come up with a truly rigorous model of natural language.
这里说粗略并非轻视，因为数千年来的语言哲学表明要建立自然语言真正严格意义上的模型是很难的(甚至是不可能的)。
Because of the complexity and dynamic nature of the railway transportation network, it is difficult, or even impossible, to find an optimal solution for an actual large scale empty car distribution.
路网结构的复杂性和运输生产的动态性，决定了要获得较大规模的实际空车调配问题的最优解是不可能或非常困难的。
Because of the complexity and dynamic nature of the railway transportation network, it is difficult, or even impossible, to find an optimal solution for an actual large scale empty car distribution.
路网结构的复杂性和运输生产的动态性，决定了要获得较大规模的实际空车调配问题的最优解是不可能或非常困难的。
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