noun
covered in blood; blood-soaked
Describes a person or thing drenched in blood, often with a vivid or dramatic image. The word literally means 'blood daruma doll', evoking a round, red figure.
事故現場には血だるまの負傷者が横たわっていた。
At the accident scene, a blood-soaked victim was lying down.
ホラー映画で血だるまの幽霊が出てきた。
A ghost covered in blood appeared in the horror movie.
血まみれ also means 'covered in blood', but is a more general and common term. 血だるま carries a stronger, more graphic image, often implying a person is completely drenched or transformed into a bloody figure.
Compound of 血 (chi, 'blood') and だるま (daruma, a traditional round doll). The image is of a person so covered in blood that they resemble a red daruma doll.