開口 kāikǒu HSK7 to open one's mouth Definitions Defs Origin Strokes Stroke Words Sentences Sents kāikǒu to open one's mouth · to eat 开 開 kāi to open to open; to unfold; to unseal; (of flowers) to bloom; to carve or cut open口 kǒu mouth mouth of a person or animal; (bound form) oralkāikǒu to crack open 开 開 kāi to open to open; to unfold; to unseal; (of flowers) to bloom; to carve or cut open口 kǒu cut hole, crack, or wound in a surfacekāikǒu to sharpen 开 開 kāi to open to open; to unfold; to unseal; (of flowers) to bloom; to carve or cut open口 kǒu edge cutting edge of a blade or toolkāikǒu to breach · opening 开 開 kāi to open to open; to unfold; to unseal; (of flowers) to bloom; to carve or cut open口 kǒu opening mouth of a container or general object