I'm afraid I must take exception to that.

Meaning

I politely disagree with a statement or opinion.

Examples

• John: I think the current policy is very effective.
• Alice: <b>I'm afraid I must take exception to that</b>. I believe it has several significant flaws.
• John: Oh really? Could you elaborate?
• Alice: Certainly. <b>I'm afraid I must take exception to that</b> assertion because of these three key issues.