Sentence examples for a difficult adversary from inspiring English sources

But scientists are also making advances.The medicine chestOne reason that HIV is such a difficult adversary is its mutability.

HIV, one of the trickiest diseases on the planet, has been a difficult adversary.

"The Kremlin has proven to be a very determined and difficult adversary for Grigory," Walden said.

Surviving the brink underscored in my brother's mind the necessity of cooperation, even with the most difficult adversary, so that no American president would ever again be faced with the same impossible dilemma.

STILL, we must realize that we have a formidable adversary and a difficult challenge.

As Alec MacGillis notes in his recent e-book biography of McConnell, the new Majority Leader is, above all, a tactician, always thinking about the next vote, the next chance to force his adversaries into a difficult political predicament.

After all, we don't see Russia anymore as an enemy or an adversary, but even as a partner, if a difficult one".

"The Greeks certainly will have a difficult time explaining the deal to their voters," was the ungracious verdict of Wolfgang Schäuble, Germany's finance minister and Greece's fiercest adversary in the talks of the last few weeks.

Mr. Rumsfeld has often warned that the fight against terrorism will be lengthy and costly, with victory against a shadowy adversary difficult to define.

But it is also good to just talk about how difficult a particular adversary is, how crazy the games graphics are, or to guess together what the next level might look like.

We observed that it was very difficult for a naive adversary to guess where a random person was at any given time.