名詞 propriety:

1. correct or appropriate behavior
   同義詞：properness, correctitude

1. I am doubtful about the propriety of granting such a request.
   我懷疑答應這項要求是否合適。
2. We should observe the proprieties.
   我們應該遵守禮節(jié)。
3. The way these tourists dress offends local standards of propriety.
   這些游客的穿著在當地人的眼中簡直不成體統(tǒng)。

pro.pri.e.ty

n.（名詞）
【復數】 pro.pri.e.ties
The quality of being proper; appropriateness.
妥當：合適的特性；恰當
Conformity to prevailing customs and usages.See Synonyms at etiquette
得體：與流行的習俗和習慣相一致參見 etiquette
proprieties The usages and customs of polite society.
proprieties 禮節(jié)：文明社會的習俗和習慣

來源：
Middle English propriete [particular character, ownership]
中古英語 propriete [特性；所有權]
from Old French * see property
源自 古法語 *參見 property