nine          
number uk/naɪn/ us/naɪn/
A1 (数字)9
the number 9
  The children go to bed at nine (o'clock). 小孩们九点钟上床睡觉。 
 a nine-month prison sentence 9个月的刑期 
 nine to five (早九点到晚五点的)正常办公时间的;朝九晚五的
describing or relating to work that begins at nine o'clock in the morning and finishes at five, the hours worked in many offices from Monday to Friday
  a nine-to-five routine 朝九晚五工作制 
 She's tired of working nine to five. 她厌倦了朝九晚五的工作。 
 No one I know works nine to five.
 It's impossible to be a nine-to-five doctor.
 If I wanted a nice little nine to five job, I wouldn't be doing this sort of work.
 I realized at an early age that the nine-to-five corporate routine wasn't for me.
 None of us works a rigid nine-to-five schedule.
 - More examples
 - I've booked a table at the restaurant for nine o'clock.
 - My current golf handicap is nine.
 - "I didn't expect to be out so soon", he joked, after spending nine months in hospital.
 - Cats are supposed to have nine lives.
 - Chapter nine relates to the effects of inflation on consumers.
 - The birthday girl was wearing a badge with a nine on it.
 
Idioms           
be a nine days' wonderidiom UK old-fashioned 是昙花一现的新鲜事物,是轰动一时的事物
to be a cause of great excitement or interest for a short time but then quickly forgotten
 done/dressed (up) to the ninesidiom  informal 衣饰华丽,身着盛装
wearing very stylish and fashionable clothes, often for a particular purpose or occasion
  The doorbell rang and there was Chris, all dressed up to the nines. 门铃一响,衣着华丽的克里丝来了。 
  the whole nine yardsidiom informal mainly US (在特定情形下)能够想要的;能够拥有的;能够做到的(任何东西)
everything you can possibly want, have, or do in a particular situation 
  When I was little, my family always had lots of pets - dogs, cats, hamsters, fish, rabbits - the whole nine yards. 我小时候家里总是有许多宠物:狗、猫、仓鼠、鱼、兔子,应有尽有。 
 The weather was terrible but I wanted to go the whole nine yards and get to the top of the mountain. 天气糟透了,但我还是想咬咬牙一路登上山顶。 
 nine times out of tenidiom (also ninety-nine times out of a hundred) 十有八九,几乎总是
almost always
  Nine times out of ten, you can fix it. 你十有八九能够修好它。