But success in Cairo might prove even more challenging.

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

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

A bit more challenging, right?

A bit more challenging, right? (Laughter)

Finally, Japan s external environment today is more challenging.

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

By World War II, protecting the empire had become more of a burden than an asset. The fact that the UK was situated so close to powers like Germany and Russia made matters even more challenging.

Legislative elections next September will be more challenging for Chávez than on previous occasions.

Another Navy team also successfully scaled Everest from the north face, the technically more challenging route.

Moreover, criminal cross border activities add yet one more dimension to the already challenging security environment.

I'm now going to ask you to do the task, but now with a little more challenging task.

Because few mechanisms can prevent the proliferation of hoaxed tweets, and given the high profile response that successful hackers can expect, Twitter will remain a vehicle of malicious hoaxes, even as technological barriers make attacks more challenging.

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

And that's that's rather more challenging than all the speakers before me and all the ones coming after me.

Yet these countries deeply flawed systems of national energy governance will make such collective action all the more challenging.

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

While emerging economies can deal with the economic slowdown in industrial countries, the financial sector transmission mechanism is more challenging.

Safe blood substitutes and new therapeutic options that make blood transfusion more effective would significantly improve treatment in challenging situations.

Rather than launching an uncompromising campaign to defeat the insurgents, Santos has pursued the more politically challenging course a negotiated settlement.

The 7 WTC investigation is in some respects just as challenging, if not more so, than the study of the towers.

While Western politicians and economic policymakers were trying to avert Great Depression II, Putin was already working on the assumption that it had arrived. For the West, managing the resulting geopolitical imbroglio will be even more challenging than repairing its damaged economies.

In essence, dancers were challenging each other online to get better incredible new dance skills were being invented even the six year olds were joining in.

Even harder to gauge was what it would take for the disaffected to say enough is enough and begin challenging their regime openly, defiantly, and in concert.

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

With more resources earmarked even more could be done.

A 60 mm G Lader would later be used on the larger and more technically challenging G60 engine used in the Golf and Corrado.

An Even More Dismal Science

Even more opposed the change.

Other counties spent even more.

So streets become more desolate and unsafe, so we stay home more which makes streets even more desolate and unsafe, and we stay home even more.

This situation becomes even more acute regarding small scale fishing, where the work relationship is even more informal.

However, the situation in Cité Soleil remains challenging.

OK This is another aspect where, in my opinion, Ukraine has to deal with extremely challenging reality of armed conflict without even using proper names to define this reality.

Serbia is even more strongly opposed.

What can even more isolation achieve?

Some progressive economists want even more.

The EU has even more leverage.

But nuclear power requires even more.

Even more important is its implementation.

But, owing to China s skewed economic structure, its exchange rate regime presents much more challenging problems than those encountered by Japan and other East Asian economies.

The particularly challenging nature of this situation has prompted the international community to examine more closely how to manage complex displacement emergencies through a collaborative response.