判はん断だんミス

noun

error of judgment; miscalculation; bad decision

Refers to a mistake in assessing a situation or making a choice, often with a nuance of personal responsibility. Common in business, sports, and everyday contexts.

• あの時とき、判はん断だんミスをしなければ、試し合あいに勝かてたかもしれない。

  If I hadn't made an error of judgment at that moment, we might have won the game.

• 経けい営えい者しゃの判はん断だんミスで会かい社しゃが倒とう産さんした。

  The company went bankrupt due to a miscalculation by the management.