吸血 xīxuè to suck blood Origin Definitions Defs Strokes Stroke Words Sentences Sents 吸 xī verb to inhale To breathe in or suck in gases or liquids through the mouth or nose; the opposite of 呼 hū.血 xuè noun blood The red fluid that circulates in the heart and blood vessels; used in formal contexts, compounds, or when used alone in spoken language.