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。
Counting caste in the census, however, would be difficult, or even impossible.
然而，人口普查计算所有种性人口可能非常困难，甚至是办不到的。
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。
So the client is going to see these tasks as being daunting or even impossible.
不少肥胖人士会认为，那根本是可怕的‘不可能任务’。
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。
This may be very difficult (or even impossible) to accomplish while maintaining links to your code's history.
这在维护代码历史记录的链接时是很难(或甚至不可能)完成。
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。
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。
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。
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。
As a result the reaction time of the player, and also that of the ai, will slow down and can make a simple maneuver fail, or even impossible.
结果就是玩家的反应时间，又或是ai，都会变慢然后导致简单的操作失误，乃至无法忍受。
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。
Repair surgery should carefully choose their doctors, the doctor every repair leaving a much smaller space, or even impossible to repair later.
修复手术应该慎重选择医生，每修复一次给医生留下的空间就小很多，甚至以后不可能再修了。
In fact, it is difficult or even impossible to develop and utilize a considerable amount of the balanced ore reserves due to the Iower grade indexes.
由于指标偏低，使相当数量的平衡表内储量，实际上目前很难甚至尚无法开发利用。
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。
By contrast, the exhibition space that includes time-based art is cool because it makes focusing on individual exhibits unnecessary or even impossible.
相反，包括时间为基础的艺术的展览空间是冷媒介，因为它使得对个体展品的关注成为不必要。
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。
It must be highlighted that our preference for CRRT applies only to critically ill patients with AKI, in whom intermittent dialysis can be problematic or even impossible.
必须强调的是我们对CRRT的偏爱主要适用于那些合并aki的危重患者，对他们实施间歇性治疗会出现问题或者不具备可行性。
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。
Her words taught me even more: perfection is impossible to achieve in everything; patches are unavoidable, so is human's life, which will appear in the form of wound, disability or disease.
她的话让我学到了很多：凡事都追求完美是不可能的；补丁是不可避免的，人的生命也是如此，它会以伤口、残疾或疾病的形式出现。
That makes it almost impossible for them to compete with American, European or even Indian or Brazilian outfits.
这也就使他们几乎不可能与美国、欧洲亦或是印度和巴西的公司竞争。
That makes it almost impossible for them to compete with American, European or even Indian or Brazilian outfits.
这也就使他们几乎不可能与美国、欧洲亦或是印度和巴西的公司竞争。
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