be light years away

be light years away

To be very far away. Usually said of something that is unlikely to happen in the near future. A major technological advancement like that is light years away.
See also: away, light, year
Farlex Dictionary of Idioms.
See also:
  • be light years away from
  • use (something) over
  • use over
  • once in a lifetime
  • kick (someone or something) down the ladder
  • kick someone down the ladder
  • (one) will be lucky
  • (one) would be lucky
  • as a pig loves marjoram
  • (one) should be so lucky