One sport that has had a remarkably difficult history (considering its national popularity) is association football.

The puzzles in the game are remarkably difficult - for me, many of them seem unsolvable.

Of course piloting at a the highest levels can be remarkably difficult and time-consuming.

Adamson "discovered how to control a process that remained remarkably difficult."

Even considering the cultural differences, the man was remarkably difficult to read.

He added, however, that true collaboration would be a remarkably difficult challenge for the government.

Olson argued that in fact collective action is remarkably difficult to secure for some groups.

They remained remarkably difficult to see, even allow- ing for their love of the shadows.

Working on so small a piece of basic material, it was remarkably difficult to be sure we had correctly identified the genes.

For something that seems so simple, it is remarkably difficult to understand!