And obviously, that's going to be a very strenuous campaign, achieving complete control of the air.

That does not mean, however, that Mr. Clinton would be encouraged to join a strenuous political campaign or go on book tours.

The Belmont may present more of a hurdle to Real Quiet after a strenuous campaign.

Since then, year after year of strenuous campaigns have done little to stem the flow of narcotics across the border from Myanmar and Laos.

In the end, Mr. Fernandez conducted a strenuous campaign to retain his job.

We live with pretty strenuous political campaigns in Britain, but these were downright lies.

But medical experts say that that does not mean Mr. Clinton would be encouraged to join a strenuous national political campaign or to go on book tours.

He had waged a strenuous campaign to overcome resistance in his party, and told reporters, "It is obvious there are limits to how much more we can be stretched."

He was the constant companion of Count Lally during the many vicissitudes of a strenuous campaign in India.

The strenuous campaign took a decisive toll on Helm's already weakened body.