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
Mccollum	[mə'kɔləm]
West	[west]
Clarity	KLER-i-tee, KLAR-i-tee	English (Rare)
Odhiambo	-	Eastern African, Luo
Gafar	-	Arabic
Cole	KOL	English