He could not bear to walk past other people without any sign of recognition.

This was the first sign of recognition he had given her.

This, however, may also be a sign of recognition to a familiar word.

And that, in itself, he thought, might be a sign of recognition.

I moved close enough so he noticed me, but got no sign of recognition from him.

His eyes swept my way, but he made no sign of recognition.

They looked me straight in the face without a sign of recognition.

But there was no sign of interest or recognition in her face.

He stared at her, but there was no sign of recognition.

He looked at me with no sign of recognition or welcome.