strike (someone) dumb

To render someone speechless, as due to a great surprise or shock. My father's sudden resignation from the company struck each of us dumb.

Name	Pronounced	Usage
Amun	AH-mun (English)	Egyptian Mythology (Anglicized)
Kekoa	-	Hawaiian
Sheona	-	Scottish
Ivan	ee-VAHN (Russian, Ukrainian), IE-vən (English)	Russian, Bulgarian, Ukrainian, Belarusian, Serbian, Croatian, Czech, Slovak, Macedonian, Slovene, En
Gil	[gil]
Aylmer	-	English (Rare)