These have indeed been very challenging times for our Organization.

None of this is meant to deny that we are living in challenging and uncertain times.

Tired diplomatic postures and ritual incantations are not what these challenging times demand.

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.

However, the situation in Cité Soleil remains challenging.

Although Sri Lanka has grappled with divisions along ethnic and religious lines, in challenging times citizens do come together to help each other, casting aside their differences in exchange for a spirit of unity and togetherness.

Two serious problems make reconciliation in Afghanistan particularly challenging.

But success in Cairo might prove even more challenging.

A bit more challenging, right?

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

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

This has been particularly challenging in remote and insecure areas.

A bit more challenging, right? (Laughter)

America, however, is not alone in challenging Al Jazeera head on.

The Second Great Awakening was challenging women's traditional roles in religion.

But striking the proper balance is challenging.

That will be particularly challenging for Bernanke.

That is an assumption that needs challenging.

Emerging and challenging issues deriving from implementation

Finally, Japan s external environment today is more challenging.

In 2004, UNHCR maintained financial stability, although it was another challenging financial year.

In fact, it is a challenging concept for both developed and developing countries.

This means that Europe probably faces another challenging year.

The selection of indicators has proven to be challenging.

Women challenging these norms are punished by violent means.

Emerging and challenging issues deriving from implementation and necessary

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.

This dollar invasion is making macroeconomic management in emerging countries even more challenging than usual.

He explains how he got around one challenging scene in his movie A Little Kiss.

We recognize the challenging role of the United Nations in responding to complex emergency situations.

The year ahead will be challenging and rife with uncertainty.

You can see the trapezoids are a little challenging there.

Fortunately, such a way immensely challenging but nonetheless feasible exists.

This category is especially useful for solving especially challenging problems.

Since 1905, the Australian Open has been staged in five Australian and two New Zealand cities as follows Melbourne (55 times), Sydney (17 times), Adelaide (14 times), Brisbane (7 times), Perth (3 times), Christchurch (in 1906), and Hastings (in 1912).

After all, host countries have been able to contain nuclear risks in the most challenging circumstances.

Taking pictures in the Gulf is challenging and even when trying to take pictures of women.

Aside from clarity, it is important that group goals be challenging.

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

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

Some local journalists and civil society groups are challenging the credibility of some of the results, and the CPC is challenging the outcome of the presidential vote at the INEC.

How can we adapt to such a world? What underpins success in this new and challenging environment?

In fact, it's all about frostbite and difficulty to walk and difficulty of breathing cold, challenging circumstances.

Vaccines protecting against Helicobacter pylori and hepC are in development (although the latter is proving particularly challenging).

Hezbollah may be quite comfortable with the returns. Winning would have placed Hezbollah in a challenging position.