"We know Skimmerhorn's a madman," Mercy said, "but he's a clever opponent and the people are in back of him."

And so the greatest enjoyment comes from outwitting a clever opponent.

Mandelson said: "Balls will be a clever and combative opponent of the government's economic policies, placing a strong emphasis on growth to reduce the deficit."

"I guess we are up against clever opponents," Renny agreed.

One bad move, or even a good one if made too soon, can mean defeat at the hands of a clever, aggressive opponent.

But a number of experts have argued, unsuccessfully, that such precautions cannot stop determined and clever opponents, the former official said.

one of the cleverest and most dangerous opponents of the German nationalist ideal.

This was a clever opponent, not easily caught off balance.

"I would have won, without so clever an opponent," he said.

She is also an exceptionally clever opponent in staring competitions.