責せき任にんを取とる

expression, godan verb (-ru)

take responsibility; accept the blame

Used when someone assumes accountability for a negative outcome or failure, often in professional or public contexts. Implies stepping forward to bear consequences.

• プロジェクトの失しっ敗ぱいの責せき任にんを取とって、部ぶ長ちょうが辞じ任にんした。

  The department head resigned, taking responsibility for the project's failure.

• 誰だれかがこのミスの責せき任にんを取とらなければならない。

  Someone has to take responsibility for this mistake.