Had anyone been present to observe his face, they would have been hard put to describe the expression on it.

"At least, not close enough to observe his face."

Strange took a few paees further into the room and placed himself where he might observe the King's face.

The supercrook observed George's face and the surprised look that came over it.

She observed his face to flush as if it had come on him in a fit.

I placed him purposely so that you could observe his face.

For one thing, I am observing your face as you reply to them.

The doctor observed Nick's puzzled face, and seemed to think the deaf-mute might not believe him.

When she remained silent, he opened one eye to observe her mutinous face.

She would have had to lean sideways to observe Sam's face.