I beg to differ

成語所屬單字differ

I beg to differ — 慣用語

1. A polite way of saying that you disagree with someone's statement.

1.慣用語
釋義

恕我不同意

A polite way of saying that you disagree with someone's statement.

例句

When Diego claimed the movie was boring, I begged to differ.

You think this plan is perfect? I beg to differ.