Any effort to calculate such damages might raise intractable conceptual difficulties.

The eurozone remains mired in seemingly intractable difficulties.

We have still, in the first months of a new church's life, known some intractable difficulties where one member finds it impossible not to feel betrayed, usually by the leaders.

My, um, novel is presenting me with certain intractable difficulties.

Most of what I have heard from the grass roots is unwavering support for the president and a full understanding of the intractable difficulties of the Middle East.

One of the most intractable difficulties is lack of regular attendance at board meetings.

Dwelling on China's tragedies, they have tried to puzzle out a basic question: why has their extraordinary and brilliant civilization fallen into such intractable difficulty?

But a more subtle and intractable difficulty is that Keillor's taste isn't just limited, it's limited within its limitations.

Through a constructive dialogue, we have explored the avenues to finding some technical solutions to what before seemed to be intractable difficulties.

But where a disease is contracted by the defendant, more intractable difficulties arise.