There was an indefinable expression in his emerald-ice eyes.

The Zalite who had been spoken to now regarded Calus with a somewhat indefinable expression on his face.

He sat in his elevated chair of State in the audience chamber and watched the approaching visitors with an indefinable expression.

The colour came back to his cheeks, his eyes narrowed, and an indefinable expression crept into them.

Markheim was looking upon him with an indefinable expression.

The man looked at him steadily with an indefinable expression, then handed him the rewound film and a written note.

She walked toward him slowly, the proud figure erect, an indefinable expression on her face.

Harriet Vane, who had been smiling at him, frowned, and an indefinable expression of distaste came into her eyes.

An indefinable expression came into his face; he set the cup down and said, "If you like, you can go to Caithnard."

The Russian stopped and looked at the Arkonide with an indefinable expression.