Natural disasters know no boundaries.

Our problems transcend national boundaries.

A bit more challenging, right?

But striking the proper balance is challenging.

Russians' smoking habits know few boundaries.

A bit more challenging, right? (Laughter)

The Nazi authorities significantly expanded Poznań's boundaries to include most of the present day area of the city these boundaries were retained after the war.

(b) The boundaries of the work to be undertaken

However, the situation in Cité Soleil remains challenging.

Her constituency boundaries changed for the 2010 general election.

That will be particularly challenging for Bernanke.

That is an assumption that needs challenging.

Emerging and challenging issues deriving from implementation

The selection of indicators has proven to be challenging.

Building and maintaining resilience requires probing its boundaries.

The traditional boundaries between labor and capital are becoming blurred.

The boundaries of Greater Poland have varied somewhat throughout history.

The boundaries were unchanged and Baghdad remained in Ottoman hands.

The hamlets have no visible boundaries, but form one settlement.

Finally, Japan s external environment today is more 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.

A truly democracy enhancing globalization would respect these boundaries.

What are the planetary boundaries within which we can safely operate?

The boundaries of these new regions are based on catchment basins.

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.

This may because work demands are easier to quantify that is, the boundaries and responsibilities of the family role is more elastic than the boundaries and responsibilities of the work role.

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.

Women challenging these norms are punished by violent means.

Emerging and challenging issues deriving from implementation and necessary

The situation in Abyei remains unsettled following the Abyei Boundaries Commission's report.

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

It is fitting that Olam, in Hebrew, means transcending boundaries.

In Norway, mountainous terrain and fjords formed strong natural boundaries.

And it is this Law sets boundaries, and on one side of those boundaries are all the things you can't do or must do you can't steal, you've got to pay your taxes but those same boundaries are supposed to define and protect a dry ground of freedom.

Political boundaries have a powerful effect on the region s economy and culture.

Second is that cultural boundaries that discourage honest discussion of the topic.

Increasingly, conflict and violence take place beyond the boundaries of conventional war.

The boundaries between the two types of legalities could not remain impenetrable forever.

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.