The post conflict electoral schedule in Burundi, with its rapid series of complex elections, was extremely challenging.

In the context of this extremely challenging environment, the main tasks of the military component would be

The route crosses major earthquake zones, and is subjected to extreme temperatures of cold and heat and inhospitable terrain, making it an extremely challenging engineering project.

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.

That was an extremely impressive and efficient record, particularly given the complexity of the trials, the challenging operating environment and the fact that the entire Court structure had been built from the ground up.

In Libya, the transitional authorities are finding it extremely challenging to create a coherent political structure that can unite two very different provinces, Cyrenaica and Tripolitania, which were held together only by the Qaddafi regime s brutality.

A bit more challenging, right?

A bit more challenging, right? (Laughter)

In the case of Iraq, the Transitional National Assembly has also been given the task of drafting a constitution in a security environment that remains extremely challenging and which can easily contribute to a hardening of attitudes on all sides.

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.

Extremely profound experience.

(Footage extremely disturbing)

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

Man ... extremely dangerous questions.

This is extremely hard.

Sami was extremely upset.

Sami is extremely shy.

Our experience shows that there are many well qualified civilian experts who are willing to be deployed on short notice to areas in which conditions are extremely challenging and for which, in the past, the international community has deemed military missions to be the only feasible option.

While some countries are trying to perfect the conditions of equalization of opportunities for their disabled populations, there are other countries in which most have not been able to achieve basic human rights. This makes the job of monitoring the implementation of the Standard Rules extremely challenging.

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.

They were extremely well funded.

The budget is extremely small.

It must've been extremely painful.

Both solutions are extremely traumatic.

Today, migration is extremely circumscribed.

But that is extremely unlikely.

Army everywhere and extremely violent.

The experiences are extremely satisfactory.