二にの舞まい

noun

repeating the same failure; making the same mistake again

Used in expressions like 二の舞を演じる or 二の舞になる to describe someone repeating another's blunder or misfortune. Often carries a cautionary tone.

• 彼かれは先せん輩ぱいの二にの舞まいを演えんじて、同おなじミスでプロジェクトを遅おくらせた。

  He repeated his senior's mistake and delayed the project with the same error.

• 前ぜん回かいの失しっ敗ぱいの二にの舞まいにならないように、しっかり準じゅん備びしよう。

  Let's prepare thoroughly so we don't repeat the previous failure.