disagree politely

I see your point, but I'd respectfully disagree with that view.我明白你的意思，但我恕难赞同这种看法。

She disagreed politely but clearly, explaining her reasoning without dismissing the other person's perspective.她礼貌但明确地表示了不同意，在阐述自己理由的同时，也没有否定对方的观点。