with (the greatest) respect/with (all) due respectspoken formalDISAGREE say this before disagreeing with someone when you want to be polite 不是我不尊敬你〔用于礼貌地表示不同意见〕 With respect, I think you’re wrong. 恕我冒昧，我想您是错了。
→ with (the greatest) respect/with (all) due respect at respect1(1)