Why did they do this?
I was with someone else in a building and we were standing in line when I saw someone walk past the person I was with, they did a double take like they were shocked or something. Why did they take a double take?
That is possible but they weren't looking at me, they were looking at the other person that was next to me. I was with one of my relatives and when the other person walked past, they did a double take at them.