軍令如山 jūn lìng rú shān

DEFINITIONS

  1. military orders are like mountains (idiom)
  2. a military order must be obeyed

CHARACTERS

軍 jūn army, military; soldiers, troops
令 lìng command, order; 'commandant', magistrate; allow, cause
如 rú if, supposing; as if; like, as
山 shān mountain, hill, peak