He stopped suddenly, as if stunned at the turn the game had taken.
People close to him said they were stunned at the charges.
I was stunned at how heavy it got so quickly.
We were stunned by the terrible power of the forces at work.
I came down and was stunned at the existence of the whole world.
The audience stood, stunned at the scene that was playing out before them.
The President was stunned at his decision to quit on him.
Neighbors said they were stunned at the turn of events.
David was stunned at the casual way she said that.