Sentence examples for proved extremely hard from inspiring English sources

But "fair use" has proved extremely hard to define.

At first, isolating and identifying gustatory ingredients proved extremely hard.

There were prints, though Leonardo's cumulative portrait, gradually painted over several years, had long proved extremely hard to copy as an engraving.

As Mr. Ricke writes: "Venini's fundamental decision, which proved extremely hard to impose on the island's proud master craftsmen, was undoubtedly the renunciation of all those decorative curlicues and filigree-glass fripperies".

And over their playing careers, a good number of these players will have indulged in something that's against the game's terms and conditions, but that has proved extremely hard to stamp out: they will have paid other people real-world money in exchange for in-game assets, like virtual gold or weapons.

But as the abortive Nice summit discussions on limiting the size of the European Commission to less than one per member country showed, getting such a change agreed may prove extremely hard.How long EU governments have to do it depends largely on how soon the acceding countries will be ready to join.

From the early 2000s, carboplatin in combination with paclitaxel has been the standard of care in the adjuvant and first-line settings, and, despite all relevant efforts, overcoming this standard in clinical practice has proven extremely hard.

However, this proved extremely difficult.

But, despite its appeal as a payment method, P4P has proven extremely complex, hard to devise and difficult to implement [ 22, 23].

These proved extremely effective.

His words proved extremely prescient.