I was a complete stranger, young enough to be his son.

You might be nice to a complete stranger and by chance see him again.

They were looking into the face of a complete stranger.

After all, what did she have to fear from two complete strangers?

He was a complete stranger, and yet she knew him.

On the one hand, I felt as though he were a complete stranger.

She looked at me as if I was a complete stranger to her.

He opened the front door and went outside, a complete stranger suddenly.

She was all business; he could have been a complete stranger.

The young man who rose quickly as she came in was a complete stranger to her.