How to use "alarmed" in a sentence

But neither can two great and powerful groups of nations take comfort from our present course - both sides overburdened by the cost of modern weapons, both rightly alarmed by the steady spread of the deadly atom, yet both racing to alter that uncertain balance of terror that stays the hand of mankind's final war.

"Why?" demanded Sala, alarmed

None of them seemed at all alarmed or worried about Cham.

Her sudden gullibility dismayed and alarmed her, because it indicated that the decision to have Danny's body exhumed was not having the stabilizing effect on her emotions that she had hoped it would.

The Martians, alarmed by the approach of a crowd, had killed a number of people with a quick-firing gun, the story said