Covenant looked away with a sour expression on his face.

Douglas had a sour expression; he didn't want to get into this argument.

Arthur sat without speaking, a sour expression on his face.

A sour expression crossed his face, and he said something in French.

The other was a blond man about half the size of the woman, wearing a sour expression.

She had a terrible sour expression and got to her feet.

Joseph was a very old servant, with a sour expression on his face.

He repeated the name with a sour expression, then leaned toward her a bit.

The youngster turned around, still with a very sour expression.

Upon the screen, his usual sour expression gave way to a look of concern.