Without corroboration from forensic tests it will be difficult to prove that the suspect is guilty.
没有法医化验的确证就很难证明嫌疑犯有罪。
Even when a side effect is suspected, it can be very difficult to prove that it was directly caused by the drug.
即便有时察觉到由副作用，也很难证明它是由药物直接引起的。
Until the 20th century, it was difficult to prove that a particular man was the biological father of a particular child.
在20世纪以前，想要证明某一特定男子是某一特定孩子的生父非常困难。
The surplus might well have been larger had the yuan not risen, some economists say, but it is difficult to prove that conclusively.
一些经济学家说，要是人民币没有升值，顺差很可能会更大。但这种观点难以确切地予以证明。
But when people appear to recover, it is difficult to prove that later problems really are a food-poisoning legacy and not some unfortunate coincidence.
但是病人一旦痊愈就很难证明后来的问题是食物中毒遗留问题，还是不幸的巧合。
The small sample size for some tests makes it difficult to prove that the new product would not trigger a greater allergic reaction in people already sensitive to salmon.
一些测试只采用了小分量的样品，很难证明这种新产品不会使那些本身就对鲑鱼敏感的人产生更严重的过敏反应。
There is usually considerable value in documenting the architecture — otherwise it is difficult (if not impossible) to prove that it meets the stated requirements.
记录体系架构通常十分有价值——否则的话我们很难(如果不是不可能的话)证明它满足一定的需求。
The suspicion that congressmen often push through earmarks benefiting certain firms or institutions in exchange for campaign contributions is difficult to prove, but commonplace.
国会议员是否经常通过特别拨款来施惠于特定公司或机构以换取竞选捐献，这样的猜疑虽然难以证实，但却在意料之中。
And there are good reasons for being skeptical of making assumptions that are difficult to prove.
而且有很好的理由来怀疑这个验证是困难的假设。
Many of the most powerful businessmen in Romania have links to the Securitate, even if they deny having benefited from such relationships — something that is, by its nature, difficult to prove.
该国许多商界权贵都与前安全机构有关系，即便他们否认从这种关系中获利- 这种事本来就很难说。
This means that it can prove difficult for an automotive designer (for example) to use a Registered design to a car body panel to prevent competitors making and selling similar body panels.
这就意味着比如汽车外观设计者，将很难利用已进行外观设计注册的汽车覆盖件来阻止竞争者制造和销售相似的车体覆盖件。
While the link is difficult to prove, there is some evidence that Gaucher disease does increase a person's IQ.
然而还很难证明这两者存在必然的联系，但是有证据表明高雪氏症确实能提高患病者的智商。
The reader will by now appreciate the massive scope of Hinduism and as such it will prove very difficult to find aspects of Thai Buddhist culture that do not have at least some basis in Hinduism.
现在的读者可能会感觉到印度教的巨大影响，很难找到泰国佛教文化对印度教的影响。
But the rarer three-and four-lepton events suggest a complex cascade of transformations that may prove difficult to unravel.
但是，比较罕见的三轻子和四轻子事件却暗含着有一个复杂的级联衰变，这是很难解释的。
It is easy to prove that it is difficult to prove it.
织罗罪名容易，证明起来就难了。
Establishing the presumption rules of the common bribery intention of relatives is a valid path to solve the problems that common bribery intention of relatives is difficult to prove.
建立亲属共同受贿故意的推定规则是解决亲属共同受贿故意难以证明的有效路径。
Repudiation is the ability of users (legitimate or otherwise) to deny that they performed specific actions or transactions. Without adequate auditing, repudiation attacks are difficult to prove.
拒付是用户(合法或非法)拒绝采取某个行动或进行某项交易的能力。如无适当的审计，拒付是很难证实的。
Even those supporting mandatory results disclosure acknowledge that finding uniform ways to disclose complex scientific information would prove difficult and time-consuming. For example, Dr.
即使那些支持强制性信息披露的人也承认要打到统一的公布复杂的科学信息的方法将会很困难并耗时甚久。
BLACK holes do not have a reputation for giving up their secrets, but they could prove instrumental in uncovering exotic particles that are difficult to detect on Earth.
旋转的黑洞可能会揭示奇异粒子黑洞给人的感觉向来都是神秘莫测，但是在揭示地球上难以探测到的奇异粒子方面或许能有帮助。
If the tests are coupled, the errors that result from a minor update may prove difficult to find.
假如测试耦合在一起，由于一个小变动引起的错误也许会难于发现。
Production photos prove that Bossk was present in Jabba's palace and sail barge during Return of the Jedi, though he is very difficult to spot in the film.
《绝地归来》的制作剧照显示，博斯克也在贾巴的宫殿和风帆游艇里，但在电影里很难发现他。
It is not difficult to draw conclusions, it is an excellent product quality in order to prove that the real value of the product.
结论不难得出，就是它以出色的产品质量证明了产品的实际价值。
It maintains that it is difficult to prove the positive opinion wrong, but the term of "interdisciplinary course" is not perfect.
文章指出，肯定派意见难以证伪，但“边缘学科”就名称来说并非尽善尽美。
In this paper, we prove this problem to be a difficult problem that is NP complete through a polynomial reduction.
本文给出了多项式时间规约证明了在一般图上该问题是一个困难问题，即是NP完全的。
Remember that, if problems arise after cleaning, it is very difficult to prove any verbal statement or agreement.
请记住，如果出现问题后的清洁，这是很难证明的任何口头声明或协议。
I think that once I prove myself to my superiors, I will have the chance to do increasingly difficult work assignments.
我想，只要我能证明自己的能力，我就有机会承担更艰巨的工作。
I think that once I prove myself to my superiors, I will have the chance to do increasingly difficult work assignments.
我想，只要我能证明自己的能力，我就有机会承担更艰巨的工作。
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