Sentence examples for particularly difficult to pin from inspiring English sources

And it is particularly difficult to pin down the United Nations' role in managing economic globalization and development.

Cultural ES (CES) have proven particularly difficult to pin down and resultant "shades of grey" impede their consideration by decision-makers.

Like legions of foreigners before him, Mr. Koppel found Africa, particularly Congo, difficult to pin down.

Though the Tories' rhetoric on cracking down on tax havens had never seemed particularly convincing, it was difficult to pin the blame directly on the government.

Argerich is notoriously difficult to pin down.

It's difficult to pin down why.

It was vague, difficult to pin down.

It is recalcitrant as a subject, difficult to pin down.

The history of the crayon is difficult to pin down.

Other films are more difficult to pin down.

And why is Howl so infuriatingly difficult to pin down?