kudo-kudo
Going on and on about the same point in a long-winded, nagging way. The listener has heard it ten times but the speaker won't stop.
💡A parent lecturing about grades — 'Mom was kudo-kudo about my exam results again.'
母にくどくど説教された。
Mom lectured me kudo-kudo again.
My boss went on ___ about the same mistake for an hour.
上司に同じミスについて○○と言われた。