I could see from his reaction that he had no great hope.

She could tell from his reaction that he found nothing there.

They might have been talking about two different men, from their reactions.

We know that this is the case from the public reaction.

No, but I can easily see what they must be thinking from their reactions.

I should have said "we can learn from your reactions".

You have very short lead times from complaint and reaction.

From his reaction you might have thought it was not yet dawn.

He wasn't feeling pain, but his whole body was trembling from reaction.

He looked down at his hands; they were trembling a little from reaction.