军令如山

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

used in 脊令[ji2 ling2] / used in 令狐[Ling2 hu2] (Taiwan pr. [ling4])

classifier for a ream of paper

to order / to command / an order / warrant / writ / to cause / to make sth happen / virtuous / honorific title / season / government position (old) / type of short song or poem

as / as if / such as

mountain / hill / anything that resembles a mountain / CL:座[zuo4] / bundled straw in which silkworms spin cocoons / gable

(bound form) army / military