i beg to differ
我不同意
正式或半正式·礼貌反驳
英文释义
to politely disagree with someone's opinion or statement
例句
You think this plan is perfect? I beg to differ—it has major flaws.
典故来源
源自18世纪正式英语，'beg'表示谦卑请求，'differ'意为持不同意见，用于礼貌反驳。