I beg to differ

I beg to differ/disagree

(formal)

a polite way of saying that you disagree with something that someone has said I beg to differ with Mr Stahl's final assertion.

Name	Pronounced	Usage
Harris	HAR-is, HER-is	English
Calista	kə-LIS-tə (English), kah-LEE-stah (Spanish)	English, Portuguese, Spanish
Brogan	-	Irish
Roseanne	[rəu'zæn]
Vi	VIE	English
Alaois	AL-eesh	Irish