多久了

• How long have i been working for you ? three years
  我为你做牛做马多久了， 3年了？
• So how long you been out there tonight ? . it ' s cold
  你在外面等多久了，今天很冷啊
• He ' s getting weaker . he can ' t last much longer
  他越来越弱了，他支持不了多久了
• Say , how long you guys been around tampico , anyway
  听着,你们两个来坦皮科多久了
• ( roz ) how long . . . how long have you worked in this hotel
  你在旅馆里干了多久了？
• - how long have you been there ? - two and a half years
  -你在那多久了-两年半了
• How long have you been there ? - two and a half years
  你在那多久了-两年半了
• Psychiatrist : how long has this been going on
  精神科医生：这个问题困扰你多久了？
• I only want a gun . how long have i been here
  我只要支枪我都在这儿待多久了？
• How long have you been engaged in this line of business
  你从事这行有多久了？