That is very difficult.

But we were faced with a very difficult choice.

Her first pregnancy was very difficult.

But striking the proper balance is challenging.

That will be hard to pull off.

But predicting the timing of this transition is difficult.

If such actors obtain nuclear and biological materials, the world will look very different.

But water is extremely difficult and prohibitively expensive to import.

The appropriate timing of fiscal retrenchment is, in fact, difficult to decide.

The endgame to any crisis is difficult to predict.

That situation makes protection of and access to civilians extremely difficult.

Avoiding double dip recession will be difficult.

Restoring elements of manufacturing competitiveness is hard.

History offers two clear lessons reducing public debt is incredibly difficult without growth, and increasing growth is incredibly difficult with a huge burden of public debt.

Where that threshold, by nature vague and variable, actually lay would be extremely difficult to determine.

For Greece and Portugal, staying in the eurozone will be a tight squeeze.

Making sense of these asymmetries is difficult.

Dysfunctional government and pervasive corruption make modernization difficult.

CAMBRIDGE The Greek government needs to escape from an otherwise impossible situation.

Distinguishing between enhancement and treatment requires defining normality and disease, which is notoriously difficult.

Without direct government intervention, it would be difficult to fix the problem.

If you get above 10, it just makes it too darn hard to get things done.

It is extremely difficult to prove a policy of intentionality when conducting human rights investigations.

Separating the budget s effects on the economy from those of the economy on the budget is tricky.

Even though the Moscow police was prepared for extraordinary situations, the officers were impressed with the smooth flow of events.

That is tough when, in Europe, nobody wants to pay Greece s bills.

Asset bubbles are hard to identify with certainty.

Recovery was difficult to achieve, but the Common Market has profited from Germany s renewed competitiveness.

Now, corporate executives will also tell you that brand management is a tricky affair.

Because bubbles are essentially social psychological phenomena, they are, by their very nature, difficult to control.

But he has quickly learned to view them with the attitude that they find hardest to endure indifference.

Citizens know that running a country, especially in a time like this, is tough.

But to do it, you need a long, single strand of DNA, which is technically very difficult to get.

That convention not only is an insult to women, but also makes rape prosecutions far more difficult.

Disagreement with this criticism is difficult, because the German federal system itself relies on transfers.

But leprosy is very hard to develop most people have a built in immunity to it and have nothing to fear.

CAMBRIDGE Why does the International Monetary Fund make it so hard for people like me to love it?

Implementation costs are very difficult to estimate, as they represent the cost to adapt standard products to the specific client's environment and needs.

It is extremely difficult for an honest observer to break through the closed doors that separate Chechnya from the rest of the world.

An unpopular war would have made military recruitment difficult in any circumstances.

They argue, further, that it is too complicated to respect individuals preferences, too difficult to tell them how their data is being used, and pointless to treat them as individuals.

Getting agreement over anything is difficult for a European Union of 27 members.

A military alliance without a clear common enemy, or a clear goal, becomes almost impossible to maintain.

If enough lords along the river follow suit, its use may be severely curtailed.

This would be a difficult challenge under any circumstances and is all the more daunting against the backdrop of the Arab Spring s destabilization of the economic systems across the Middle East and North Africa.