three score and ten

three score and ten

Seventy. (A "score" is a group of 20.) Our forefathers were lucky to reach three score and ten—many of them died much younger than that.
See also: and, score, ten, three
Farlex Dictionary of Idioms.
See also:
  • break (one's) duck
  • break your duck
  • score off (someone or something)
  • side bet
  • bogey
  • bogy
  • claw (one's) way
  • claw your way back, into something, out of something, etc.
  • run out the clock
  • run the clock down