lìng​chū​rú​shān

orders must be obeyed implicitly

Senses

令出如山 lìng​chū​rú​shān orders must be obeyed implicitly

Literally "orders once issued are like a mountain"; meaning that a command is firm, cannot be changed, and must be strictly followed without hesitation.

References

synonym 令出如山/令出如山 令出惟行/令出惟行