He sensed the woman's sudden alertness, her interest.

From the sudden alertness in the room, Ky was sure that the others agreed.

A sudden alertness, a touch of adrenalin in the blood.

The other end of the line seemed to crackle with a sudden alertness.

Judge Taylor had roused himself to sudden alertness and was sitting up straight, looking at the empty jury box.

Her voice carried a weighted probing that brought Dasein to sudden alertness.

Laura's fatigue melted and a sudden alertness seized her.

He woke with the sudden alertness of an animal, one hand reaching up to the shadow looming above, the other lifting the knife.

But she could hear no reason for her sudden alertness.

Her sudden alertness told him he had all her attention.