Sentence examples for proved especially difficult to from inspiring English sources

The Kachin war had proved especially difficult to resolve, because the land is rich with gold and gems and other things worth fighting about.

Officials said flooding in the line's 14th Street tunnel has proved especially difficult to address because the tunnel crossed the river at a wider point than some other East River subway tubes.

The KPA I, III, and VI Corps, holding the eastern mountains, proved especially difficult to dislodge, for Kim Il-sung had issued a "stand or die" order to his much-enlarged and improved armed forces.

The panels are neither signed nor dated, and have proved especially difficult to attribute.

Some scratches proved especially difficult to remove without altering the underlying imagery, particularly the faces of characters.

It could prove especially difficult to reach consensus on a financial plan for the university.

The Brotherhood official said the post of interior minister, responsible for the police and domestic security forces, was proving especially difficult to fill.

One critically important element of a successful school —parental involvement had proven especially difficult to develop at Goldstein because students live all over the city, with some traveling up to two hours by public transportation each day.

Davis says, however, that it has proven especially difficult to document this process of spolia in the amphitheater, due to the lack of relevant historical documentation about the structure.

But they prove especially difficult to develop, especially when special propositions are taken into account, e.g. propositions involving modal concepts.

In particular, the special susceptibility of DAn to neurodegeneration and the progressive nature of this process in PD, together with the presence of Lewy bodies, have proven especially difficult to model in animal models of PD.