observance
/əbˈzɜːvəns/noun
mass noun
1
- the action or practice of fulfilling or respecting the requirements of law, morality, or ritual（对法律、道德或礼仪的）遵守, 奉行：
strict observance of the rules
对规则的严格遵守
the decline in religious observance.
宗教仪式的衰落。
1.1
- count noun（一般作observances）an act performed for religious or ceremonial reasons仪礼; （宗教）仪式：
official anniversary observances.
官方的周年纪念仪式。
1.2
- count noun a rule to be followed by a religious order教规, 教会会规：
he drew up a body of monastic observances.
他起草了一套修会会规。
1.3
- archaic respect; deference〈古〉尊敬; 尊重：
the tramp gave them no observance.
那流浪汉对他们毫不尊敬。
2
- the action of watching or noticing something观察; 注意：
the baby's motionless observance of me.
那婴儿对我的静静注视。
词源
Middle English: via Old French from Latin observantia, from observant- 'watching, paying attention to', from the verb observare （see OBSERVE）.