expression
with all due respect; most humbly
A formal, humble set phrase used before making a request, offering an opinion, or giving a warning to a superior. Often softens the following statement.
恐れながら、そのご提案には賛成いたしかねます。
With all due respect, I cannot agree with that proposal.
恐れながら、一言申
Most humbly, I would like to say a word.