It is difficult to prove a negative.

Foreign policy, too, may prove difficult to manage.

It was extremely difficult to prove wage discrimination.

This will prove more difficult than it first sounds.

It is difficult to prove discrimination based on labor.

Then it'll be a forgery. Be difficult to prove that.

He also knows it will be difficult to prove it.

However, social scientists have found it difficult to prove that point.

After all, without appropriate statistics, it is difficult to prove discrimination.

You can say anything to release, words are difficult to prove.

Such cases were often difficult to prove beyond a reasonable doubt in court.

The application of the above criterion to a given case may prove difficult.

But coming up with an approach that gains broad international support will prove extremely difficult.

It is extremely difficult to prove a policy of intentionality when conducting human rights investigations.

First, they are not easy to detect with confidence, and are even more difficult to prove.

Indeed, completing the negotiations is likely to prove as difficult as the decision to start them.

Second, reintegrating the unemployed even into a smoothly functioning market economy would prove to be very difficult.

Some provisions of the draft convention could prove difficult to reconcile provisions of Directive 2000 31 EC

The situation is still more difficult when the victim has to prove discrimination before a criminal court.

Fraud is difficult to prove, because managers can always say that they thought the odds were better than were.

It is difficult to prove that fragmentation is being effected for tax purposes and for no other valid reason.

Which means it will be exceedingly difficult for anyone to prove she's someone else. Four We have eight days.

G 20 leaders need again to manage difficult domestic pressures, overcome narrow agendas and resist populist temptations and prove the sceptics wrong.

You prove one, you prove the other.

Now statistics prove prove that you've one birthday

But it was difficult to prove the source of the attack, and the Pentagon had to shut down some of its computer systems.

It was similarly noted that, although eliminating the effective link requirement sounded simple in principle, it might prove to be difficult in practice.

The new relationship with Russia needs careful management, and rapid extension of membership to former Soviet republics like Ukraine and Georgia could prove difficult.

But, as we have seen elsewhere in the region, it will prove far more difficult to put something benign and effective in its place.

Prove that.

Prove it?

Prove it!

Prove it.

To prove you're free, you'll have to prove that Harry

Accurate analysis of what is taking place on the ground is essential, but this can prove difficult in an echo chamber of globalized cultural icons.

This change will prove difficult for the EU, because its companies will face a tighter set of targets than competitors in the US or elsewhere.

The emergence of a non polar world could prove to be mostly negative, making it more difficult to generate collective responses to pressing regional and global challenges. More decision makers make it more difficult to make decisions.

In some cases, the transformation will prove difficult to detect, especially in the early stages, as it will be very difficult to distinguish a real change from the use of organized criminal activities to fund a political agenda.

Although ECT s opponents believe that it causes brain damage, this is difficult to prove. Like antipsychotic drugs, antidepressants, and tranquilizers, ECT has an immediate organic effect.

Some grey areas and potentially difficult issues remain where the parties may have differing interpretations of the texts that could prove controversial at a later stage.

Prove it how?

Prove me wrong...

Prove yourself generous.

Politically, too, the process of adjustment by deflation in deficit countries is so unpleasant and difficult that many pessimists think it will ultimately prove to be unsustainable.

The requirement to work in partnership with a local partner may prove particularly hard to fulfil, finding a suitable local partner often being more difficult than perceived.