ㄐㄩㄣㄌㄧㄥˋㄖㄨˊㄕㄢjūnlìng‑rúshān

军令如山
  1. 形容軍事命令必須嚴格執行一般不可動搖更改 軍令如山違令」。

military orders are like mountains (idiom)​, a military order must be obeyed