Accordingly, the protection obligations of the United Nations were becoming increasingly challenging and complex.

Sustained economic growth is likely to become increasingly challenging, as donor aid for post conflict needs is being gradually phased out.

He commended the leadership of the Secretary General and the High Commissioner and the dedication of their staff to their very challenging mission under increasingly dangerous circumstances.

In consequence of this, social and economic development is increasingly challenging for a developing nation shouldering a debt burden out of all proportion to our economic capacities.

The African Union and the African Mission in the Sudan must be commended for their work in Darfur, carried out under increasingly challenging circumstances and with limited resources.

These are challenging times for Governments around the world since they need to respond to increasingly complex demands from their citizens and to significant changes in their global environments.

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

That was challenging.

This is challenging work to do.

It's not very challenging any more.

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.

That adds up to a tough reform agenda made all the more challenging by adjustment fatigue, increasingly fragmented domestic politics, and rising geopolitical tensions. In this context, a determined shift toward markedly higher and more inclusive global growth is far from guaranteed.

So, as disputes with the West come to a head, it is important to recognize the power shifts underway inside Iran s opaque political system. Ahmedinejad may be making increasingly challenging statements, but he does not have the authority to act on them.

In Japan, they say that sushi is challenging.

BC EDL is this immense, technically challenging problem.

However, the situation in Cité Soleil remains challenging.

But deciphering the script is a very challenging task.

It's going to be very challenging to deal with.

The selection of indicators has proven to be challenging.

Women challenging these norms are punished by violent means.

We live in difficult and challenging economic times, of course.

They're challenging the very notion of Western models of development.

It's a very challenging task. But more to come later.

You can see the trapezoids are a little challenging there.

And we as Africans need to start challenging our leaders.

Everything we do, we believe in challenging the status quo.

We express our gratitude for Mr Smith's outstanding, challenging speech.

In this challenging environment, administrative infrastructures have continued to function.

This has been particularly challenging in remote and insecure areas.

These have indeed been very challenging times for our Organization.

Indeed, we live in both challenging as well as exciting times.

And there were two types of laws that were particularly challenging.

Determining an optimal level of accountability for results is also challenging.

Some individuals and entities have filed multiple lawsuits challenging their listing.

The motion challenging the expert report was therefore not taken up.

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.

At the best of times, traveling between Indonesia's many islands is challenging.

Managing such a large and complex peacekeeping mission was a challenging task.

Similarly, I should like to express my gratitude to the United Nations country team, humanitarian and development organizations and bilateral donors, as well as the countries that are contributing troops and police personnel to the Mission for their contribution to the peace process in these daunting and increasingly challenging circumstances.

So, really even challenging the notion of what can be considered a story.

And look what it does with its foot to get over challenging terrain.

Even the idea of us as a family was challenging to most people.