He was a most dangerous adversary in his prime.

We are in the middle of a hunt for a dangerous adversary.

She realized then that, drunk or not, he would always be a dangerous adversary.

A merchant who crushed opponents for sport would be a dangerous adversary.

She studied the trees, the larger stones, anything that might be large enough to conceal a dangerous adversary.

Despite your mental ability I might prove a dangerous adversary.

In many ways, Pandora was a more immediate and dangerous adversary than the ship.

Certain he'd never faced a more dangerous adversary, Jake stiffened.

Matthaus was often assigned to mark a particularly dangerous adversary.

Then he pointed to Ambridge as if the man were an especially dangerous adversary.