Its effect on the drought is difficult to prove.

大坝对干旱的影响很难证实。

youdao

Verily, it is difficult to prove all being, and hard to make it speak.

其实，想检验所有的存在相当困难，也很难使它开口说话。

youdao

This is one of many reasons why intentionality is so difficult to prove.

这是很难断定故意与否的原因之一。

youdao

If found guilty, BAE may face huge charges but lawyers say the case may be very difficult to prove.

VOA: standard.2009.10.01

The claim of the complaintent here is going to be very difficult to prove.

VOA: standard.2009.11.02

Some headaches may prove difficult and require time to treat.

VOA: special.2010.03.30

Manslaughter would not be difficult to prove but for Florida's "stand your ground" law.

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It is indeed difficult to prove climato-sceptics wrong without referring to obscure science work.

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Together, the two may have prevented a full-out depression, but hypothetical situations are notoriously difficult to prove.

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