Smiling in the face of that grim mask was more than she could manage, But words weren't beyond her.

His face was a grim mask of worry and hate.

His face tightened into a grim mask and he cast a hard look up the stairs.

Meera's face set into a grim mask when she saw the camp.

Though his face was a grim, gray mask, he could not keep the surprise out of his voice.

He looked around him and saw that some of the faces were set into grim masks.

The young Eridun's face was set in a grim mask.

Outside the door, Julius's expression settled into a grim mask as he came down the stairs.

Now Jo sat in a chair away from the window, her face a grim mask.

Bell's face became a grim mask as he read the text.