with all due respect; I'm sorry, but ...; I'm afraid ...
A polite prefatory phrase used to soften a contradiction, objection, or correction. Often followed by an explanation or counterpoint.
With all due respect, I think that point is a little different.
お言葉ですが、明日の会議は午後からだったかと。
I'm sorry, but I believe tomorrow's meeting is from the afternoon.
A fixed polite expression combining the honorific prefix お with 言葉 (words) and the contrastive ですが (but). Literally 'it is your words, but...', used to politely counter or correct someone's statement.