The King seemed to be struck speechless with the distress of it.

My own expression must have matched his well enough, for we were both struck speechless.

Smith seemed to have been struck speechless; but in her opinion, that was hardly a problem.

Jennsen looked to be struck speechless by such an account.

As she did so his gaze dropped from her face to her hands, and for a moment he was struck speechless.

She'd been struck speechless, but found her voice as she laid a hand on his shoulder.

At first, I thought he must be equally struck speechless by my transformation.

The doctor, who had expected any reaction but this, was struck speechless.

The Colonel was struck speechless by such a magnificent prospect.

The Admiral was struck speechless, could only point at the screen.