But striking the proper balance is challenging.

That is an assumption that needs challenging.

Finally, Japan s external environment today is more challenging.

This category is especially useful for solving especially challenging problems.

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

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

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

A bit more challenging, right?

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

Collating, presenting and marketing tourism information is a challenging task for developing countries.

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.

A bit more challenging, right? (Laughter)

That will be particularly challenging for Bernanke.

Emerging and challenging issues deriving from implementation

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

The company is challenging the dominant Android in China and is also looking to expand into Western markets.

However, the situation in Cité Soleil remains challenging.

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

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

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.

Determining when it is permissible to interfere with parental choices is challenging, given the deference that parents typically receive.

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

Coordination and cooperation will be needed even more in the challenging transition period once disengagement is complete.

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

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

Countries planning new nuclear power programs must recognize that achieving their goals is a challenging, long term undertaking.

Yet a dispassionate assessment of nuclear energy s place in the world remains as necessary as it is challenging.

Unfortunately, it also indicates how ambitious and challenging a task it is to reform the international monetary order.

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.

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.

So, in a sense, the 18 minutes is challenging me to say, In life, this is what's important in terms of compassion.

So this is more challenging large organ, vascular, a lot of blood vessel supply, a lot of cells present.

But the transition from follower to leader at the frontier of the innovation economy is more challenging and elusive.

Effective implementation of such commitments is indeed a complex and challenging task, which requires political will and adequate resources.

Although the political environment is described as challenging , as of 2009, the multi party system still exists in Malawi.