开封 kāifēng to unseal Definitions Defs Origin Strokes Stroke Words Sentences Sents kāifēng to unseal 开 開 kāi verbparticle to open to open; to unfold; to unseal; (of flowers) to bloom; to carve or cut open封 fēng verb to seal to seal; to close up; to bank a fire; to cover up so as to make airtight or invisiblekāifēng Kaifeng 开 開 kāi verbparticle to open to open; to unfold; to unseal; (of flowers) to bloom; to carve or cut open封 fēng border (literary) border; boundary; frontier