Kb1, which is probably the most threatening line at the moment.

Of the three, Jeff was the most threatening with his gun.

The most threatening human rights issue may well concern the nationalities.

The heat began to increase in a most threatening and exceptional manner.

It was the most threatening thing he had yet done.

The new rules would expose cable companies to the most threatening competition yet.

To them, it is the most threatening word in the English dictionary.

But it is precisely a nice Saddam who would be most threatening to his neighbors.

The course is likely to be the most threatening part of the voyage.

Last night, he had escaped from a most threatening situation.