松开 sōngkāi to release Origin Definitions Defs Strokes Stroke Words Sentences Sents 松 鬆 sōng verbadjective to loosen to slacken or relax; to untie; to let go; to release开 開 kāi particle [away/open] (directional result) used after a verb to indicate moving away, spreading out, or making room, meaning "away" or "off"