idiom > Climb to the ladder
Climb to the ladder

  Explanation: After climbing the ladder to the height removed. That is no longer retreat.
  Source: "Nine grandchildren to": "handsome with it on, such as climbing the ladder away."
  Examples: Cover, such as ~, with which life and death, were cast mash taste, forget their hunger. ★ Roger Li Tang, "Chung Ji Ji, Suzhou, Jiaxing Mita order"