nine
/naɪn/cardinal number
1- equivalent to the product of three and three; one more than eight, or one less than ten;9九;九个：
nine European countries
九个欧洲国家
nine of the twelve members.
12个成员中的9个。
(Roman numeral: ix or IX. 罗马数字：ix 或IX.)
1.1
- a group or unit of nine individuals九个一组。
1.2
- nine years old九岁：
I was only nine.
那时我只有九岁。
1.3
- nine o'clock九点钟：
it's ten to nine.
现在是9点差10分。
1.4
- a size of garment or other merchandise denoted by nine（衣服等商品的）九号。
1.5
- a playing card with nine pips.九点的纸牌。
1.6
the Nine
Greek Mythology the nine Muses【希腊神话】缪斯九女神。
短语
dressed to（或〈英〉up to）the nines
- dressed very smartly or elaborately打扮得非常漂亮。
nine tenths
- nearly all几乎全部。
nine times out of ten
- on nearly every occasion; almost always.十之八九。
词源
Old English nigon, of Germanic origin; related to Dutch negen and German neun, from an Indo-European root shared by Sanskrit nava, Latin novem, and Greek ennea.