I think even the most impartial observer can see the massive flaws in it.
"I think an impartial observer would be best," she said.
But it was not an impartial observer who walked in the door.
As though some impartial observer had asked what he was doing trapped like a rat.
I suppose 'watching' is the wrong word, for parents, especially mothers, are so involved in the whole process that they cannot be impartial observers.
It would be useful if any number of impartial observers from the castle accompanied you.
I can't hear it, but I'm not exactly an impartial observer.
Key, assuming the role of an impartial observer, let her.
"He's the best center in the league," said Davis, who is not an impartial observer.
No longer would they hide in their forestland as impartial observers to the development of a world.