動うごかぬ証しょう拠こ

expression, noun

irrefutable evidence; smoking gun; dead giveaway

A fixed expression for conclusive proof that cannot be disputed; often used in legal, investigative, or dramatic contexts.

• 防ぼう犯はんカメラの映えい像ぞうが動うごかぬ証しょう拠ことなった。

  The security camera footage became irrefutable evidence.

• 彼かれの指し紋もんが動うごかぬ証しょう拠こだ。

  His fingerprints are the smoking gun.