observance

n. /əbˈzɜːrvəns/ C1

遵守；奉行

The practice of obeying a law or custom.

仙境例句

The King asked for careful observance of every rule, even the ones he made up that morning.

国王要求大家严格遵守每一条规矩，连他早上刚编出来的也算。