The inspector sat on the edge of a chair, leaning forward, looking up at him with an earnest expression.

"They're saying I might be this man's daughter," she said, her expression oddly earnest.

Steve replaced the smile with an earnest expression which, this time round, was genuine.

The other boys mimicked him with earnest expressions of concern.

She forced an earnest expression onto her face as he flushed in anger.

Some women looked on with earnest expressions as they listened to the men.

He did not comment on that, but instead looked at me with an earnest expression.

The flashlight's glow showed her eyes, large in their earnest expression.

He gave her what was no doubt intended to pass for an innocent, earnest expression.