The selection of indicators has proven to be challenging.

This has been particularly challenging in remote and insecure areas.

(i) Where the charge has proved groundless

That has proved very beneficial and will be continued.

In 2009, Thomas Frieden and colleagues from the New York City Board of Health reviewed the registry s first four years of operation and concluded that it was performing well. Getting all laboratories to report regularly and completely, however, proved challenging and not all health care providers and patients proved willing to participate.

And this is a very challenging idea. It's a very challenging idea to mainstream media. It's a very challenging idea to anyone who has invested an enormous amount of time and expertise, and who has a lot of energy invested in the notion that he or she knows better than everyone else.

Establishing a frame of reference for measuring the performance of the RCF proved particularly challenging, as data was not being collected and monitored for the purpose of assessing outcomes and impact for the period under review.

Dividing the properties and cash has proved the sticking point for Paul.

You know the uni is the most challenging, so number ten is challenging.

That was challenging.

Goal setting has proved to be a useful instrument for achieving gender mainstreaming.

The three month period since my last appearance before the Security Council has been a challenging one.

His guilt cannot be presumed until the charge has been proved beyond reasonable doubt.

Information on whether language has proved a hindrance in political participation is not available.

A natural minor, when the father or mother has proved descent and has acquired the nationality of the Niger.

And yet what we proved then is the U.S. has more market power than OPEC.

Indeed those for whom the Word of your Lord has proved true, will not believe.

Indeed those for whom the Word of your Lord has proved true, will not believe.

Surely those against whom the word of your Lord has proved true will not believe,

Certainly the word has proved true of most of them, so they do not believe.

Surely those against whom the word of your Lord has proved true will not believe,

Certainly the word has proved true of most of them, so they do not believe.

For 30 years now, OSCE has proved effective in very sensitive regions of the world.

I must emphasize once again that the CD has proved its value in the past.

Undoubtedly, it (their disbelief) has proved true for most of them, so they will not believe.

Undoubtedly, it (their disbelief) has proved true for most of them, so they will not believe.

The word has been proved true against the greater part of them they will not believe.

The word has been proved true against the greater part of them they will not believe.

The rainy season has proved to be as difficult a factor for operations as was feared.

Reform of the security sector has therefore been one of the most important and challenging items on the institutional agenda.

This is challenging work to do.

It's not very challenging any more.

Indeed the Word (of punishment) has proved true against most of them, so they will not believe.

Indeed the Word (of punishment) has proved true against most of them, so they will not believe.

Since the introduction of same sex marriage, it has proved to be more popular than registered partnerships.

Women's freedom of movement has proved to be a substantial issue in certain parts of the country.

The troika has proved functional, and Europe would have been at pains to provide conditional assistance to eurozone countries without the IMF s participation and support. But cooperation has proved to be difficult, if only because each participating institution has rules and constraints that are not easy to reconcile with the others .

This policy has proved effective in encouraging women to overcome difficulties to improve their knowledge in all fields.

Skepticism, because you must always be challenging.

DM She's very tough it's most challenging.

It's this immensely exciting and challenging problem.

That is an assumption that needs challenging.

So the Word of our Lord has proved true upon us we will surely have to taste (the punishment).

So the Word of our Lord has proved true upon us we will surely have to taste (the punishment).

The effectiveness of the principle of moving from regional to global approaches has already been proved on many occasions.