But the problem is to detect them in the first place.

For the first time, she detected fear in the voice of the old one.

The question is if we can detect them in time.

Did she detect a note of hope in his voice?

But I detected signs of care in the wife's face.

At no time did they detect any change in the speed of light.

Nothing was easier to detect in a man than fear.

Some detect it in the sports world, of all places.

At least, no one could detect any change in the air or temperature of the room.

But after a while she detected a kind of pattern in her father's questions.