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

They would, however, aggravate social and political turmoil in the eurozone, with Europeans increasingly challenging such operations legitimacy.

Ahmedinejad may be making increasingly challenging statements, but he does not have the authority to act on them.

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

Cattle herding allowed nomads to create livelihoods in an increasingly unpredictable and challenging environment, characterized by an arid climate and scarce resources.

Indeed, self employment is an increasingly attractive option for workers seeking some semblance of job security in an unpredictable and challenging labor market.

With emerging regional powers increasingly challenging the capacity of the Security Council s permanent members to shape events in the Middle East, there is no time to waste.

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.

The Organization could only perform the increasingly challenging tasks before it when Member States accepted the responsibility to pay their contributions in full, on time and without conditions.

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.

A bit more challenging, right?

A bit more challenging, right? (Laughter)

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.

However, the situation in Cité Soleil remains challenging.

Two serious problems make reconciliation in Afghanistan particularly challenging.

But success in Cairo might prove even more challenging.

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

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.

The year ahead will be challenging and rife with uncertainty.

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

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.

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.

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

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

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

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.

Opposition leaders do not like the subject, but they avoid challenging it.

Most should be able to grow strongly, despite the challenging global environment.

Of these three imperatives, sustainability may be the most complex and challenging.

It will be challenging, but maybe also healthy for our common future.