九 jiǔ A. number ① (表数目) nine ▸ 九折酬宾 be sold at a 10% discount ▸ 五加四得九。 Five plus four is nine. → 十有八九② (多) many → 九牛一毛, 九死一生B. noun each of the nine nine-day periods [beginning from the day after the Winter Solstice]▸ 三九 the coldest days of winter → 数九 |