idiom > Will not scratch the North
Contents
North will not scratch
  Explanation: Flexible North: defeat, combat failure. Will not fail.
  Usage: Verb-object type; for the predicate; means certain victory
  Source: Warring Lu Pu-wei "Lu Zhong-Lian": "If this people, it certainly is not selfish and powerful men, it certainly is not dirty at the official station; will carry all the units must not scratch the North."
No. 2
  词 目 必不挠北
  发 音 bì bù náo běi
  释 义 挠北:败北,作战失败。必定不会失败。
  出 处 《吕氏春秋·忠廉》:“若此人也,有势则必不自私矣;处官则必不为污矣;将众则必不挠北矣。”