欷吁 xīxū to sigh or sob Origin Definitions Defs Strokes Stroke Words Sentences Sents 欷 xī to sob (bound form) to sob; to weep; to sigh in grief; often used in the compound 欷歔 xīxū吁 xū adjective to sigh to sigh or exclaim; also used as an exclamation expressing surprise or amazement