十之八九 shízhībājiǔ most likely Origin Definitions Defs Strokes Stroke Words Sentences Sents 十 shí numeral ten the number ten; 10之 zhī particle [possessive] Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.八 bā numeral eight eight; 8九 jiǔ numeral nine the number nine