1. (数字)9
Nine is the number 9.
nine
e.g. We still sighted nine yachts.
我们还是看见了9艘游艇。
e.g. ...nine hundred pounds.
900 磅
2. 打扮得绝顶漂亮;着装非常优雅
If you say that someone is dressed up to the nines or dressed to the nines, you mean that they are wearing very smart or elegant clothes.
3. nine times out of ten -> see time
1. nine tenths : 几乎全部;
2. nine times out of ten : 十之八九, 十有八九;