血けっ相そうを変かえる

expression, ichidan verb

change color; look completely different

Describes a sudden, dramatic change in facial expression due to strong emotion such as anger, shock, or embarrassment. Often used with ほど or くらい to emphasize intensity.

• 彼かれは怒いかりで血けっ相そうを変かえた。

  His face changed color with anger.

• その知しらせを聞きいて、彼かの女じょは血けっ相そうを変かえて飛とび出だした。

  Upon hearing the news, she dashed out, her expression completely transformed.