North Carolina was not seriously threatened the rest of the way.

The area had been seriously threatened by erosion up until the early 1990s.

No force or combination of forces it knew could seriously threaten its race.

Never before had she thought her position as clan leader might be seriously threatened.

The fire reached within 220 yards of the plant, but never seriously threatened it.

Meanwhile the rear of the army had been seriously threatened.

The survival of the human race is being seriously threatened and we must find a common solution to the problem.

At that time, the security of the Cartel might be seriously threatened.

Our overseas markets are seriously threatened and we have only one case of it.

Grayson found himself seriously threatened for the first time in the game.