Sentence examples for proved so difficult to from inspiring English sources

Why has change proved so difficult to achieve?

But I also understand why it has proved so difficult to stoke popular outrage.

But few ideas have proved so difficult to put into effect.

No wonder a commodity with so many qualities, uses and associations has proved so difficult to organise.

The Lebon-Cinzano affair dominated the sports pages for months, in part because the strands of the fraud proved so difficult to untangle.

But the technology has proved so difficult to create that Canesta, based here, has spent its entire existence selling far more promises than actual products.

They are not remotely comparable to those of Germany and some of the other better-governed European Union nations, which is why the current crisis will prove so difficult to solve.

A yield of about 80 percent or more is generally considered good, but some transformations can prove so difficult to achieve that even a yield of 10 or 20 percent may have to be accepted.

Republicans said it was unfair for the government to delay the employer mandate while enforcing the requirement for consumers to have coverage, especially because it was proving so difficult to buy insurance on many exchanges.

The story of Mr. bin al-Shibh's final month of freedom and his chaotic arrest -- on Sept. 11 of this year, as it happens -- illustrates why it is proving so difficult to eliminate Al Qaeda.

The description of explosions is really a matter of before and after, it proving so difficult to inhabit the appalling moment itself, though there are notable exceptions, such as Hemingway and Ford Madox Ford.