立军令状

立军令状

Literally means:

make an oath of carrying out the military order

Actually means:

promise to do something

军令状, a solemn guarantee to carry out the military orders (It is usually seen in ancient novels or operas).

This phrase metaphorically means a promise to accomplish something.

军令状，指为完成军令所写的保证书（多出现在旧时的小说或戏曲中）。

立军令状，比喻保证完成某项任务的承诺。