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

Managing such a large and complex peacekeeping mission was a challenging task.

In 2004, UNHCR maintained financial stability, although it was another challenging financial year.

The year 2004 was a challenging one for both the organization and its staff.

A bit more challenging, right?

For starters, in 2004, the Congress was challenging an incumbent government that had served for six years.

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

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.

I was debating the other day on a talk show, and the guy was challenging me and go, What's a pastor doing on protecting the environment?

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

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.

The original case challenging the constitutionality of the restrictive abortion law was brought by indigenous MAS deputy Patricia Mancilla (in her personal capacity).

The lawyer appealed against this decision, but this appeal was not heard, since the motion challenging the report had been denied on procedural grounds.

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.

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.

The economic development plan was unveiled at a time when Malaysia was starting to recover from the Asian financial crisis and challenging economic conditions as a result of high oil prices.

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.

The journey from 2011 to now has been challenging, exciting and tedious.

It was also mentioned that strengthening the arrangement may be a challenging task as the current arrangement seems to have all the necessary political authority already.

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.

But perhaps the most challenging part was to convince the regulators a matter which was debated in the parliament that a young female surgeon be allowed the opportunity to pioneer for her country.