impossible to prove

Rawlins stresses that it is impossible to prove a causal link between the drug and the deaths

罗林斯强调无法证明这种药物和多起死亡事件之间存在因果关系。

It 's impossible to prove .

这件事无法证实。

It 's impossible to prove him wrong because he keeps shifting his ground .

要证明他错是不可能的，因为他不断地改变立场。

Based on theories that are difficult , if not impossible to prove ;

而理由是难以置信的，如果不能证明的话；

It 's a kooky theory , impossible to prove , but I sort of like it .

这是个古怪的理论，无从证明，可是我还算喜欢。

Unfortunately , match-fixing is almost impossible to prove .

不幸的是，指控假球几乎不可能找到证据。

The accusation is impossible to prove but it is true that China has a weak scene of literary criticism .

余华的这种评论不可能得到证实，但中国的文学批评的确尽显颓象。

Most of the evidence is destroyed . Thus , it 's impossible to prove that the drug is harmful .

大部分证据都被毁了。因此，不可能证明这种药物是有害的。

The complexity and broadness of the last point make it nearly impossible to prove , without looking into the details of your specific project .

最后一点的复杂性和广度非常大，如果不研究具体项目的详细信息，几乎不可能证明它。

Universal assumptions are usually impossible to prove conclusively , and they can simply be invalidated by just one single counter-example .

具共通性的假设通常不可能被完全证明，有时单一的反面论据就可轻易驳倒它。

And it is virtually impossible to prove or disprove scientifically , without access to all of the business plans that have reached VC desks without affirmative reply .

而这一点几乎不可能从科学的角度得到证明或反证，除非能查看所有曾经抵达风险投资人的案头、但没有得到肯定答复的商业计划书。

She believed her medical notes had been confused with another woman 's , but this was impossible to prove , and a long legal action foundered in delays and obstructions .

她相信是医院把她的病历单和另一个女人的搞混了，但这一点无法得到证实，而漫长的立案过程一再拖延，阻碍重重。

Such investments are impossible to prove but he argues the same thing happened during the last bull market , which ended in 2001 , and accountability of government spending at local level remains weak .

要想证明这些投资是不可能的，但他指出，同样的事情在2001年结束的上一波牛市里曾经发生过，而且地方政府的支出责任制度现在仍然薄弱。

Since it is logically impossible to prove a universal negative , science will never be able to prove that creatures like Bigfoot and the Loch Ness monster do not exist , and it is possible that these mysterious beasts lurk far from prying eyes .

要证明一个全称否定判断从逻辑上说是不可能的，因此科学将永远不能证明“大脚”和尼斯湖怪兽之类的东西不存在。也有可能，这些神秘莫测的生物的确潜藏在人们好奇视线之外的远处。

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。

Thirdly , based on the two points above , and according to the article itself , it is impossible for the writer to prove out any relevant conclusions .

这段我感觉就是上面两段的总结，然后提出了作者观点没有基础。