命いのち取とり

noun which may take the genitive case particle 'no', noun

fatal; deadly; mortal

Describes something that can cause death or ruin; often used figuratively for career-ending or project-destroying mistakes.

• そのミスが命いのち取とりになった。

  That mistake proved fatal.

• 彼かれにとって、このスキャンダルは命いのち取とりだ。

  For him, this scandal is deadly.