The pleasant expression on her face belied either of those descriptions.

One participant was Al, whose jolly expression belied a dark outlook.

The words were polite, but the tone and the expression on the big man's face belied them.

Those lines were still there, but the expression belied them.

"I only jest, old friend," the prince said, but his expression belied him.

"You'll grow into them," Ryan said, his expression belying the stern tone.

"I am prepared to take over the examination," said the Commodore, though his expression rather belied this.

The expression in the grey eyes belied the lightness of his tone.

A worried expression belied his grudging endorsement of the laser defense system.

I know you will,' he said, though his expression belied his words.