opus Dei
/ˌəʊpəsˈdeɪiː/noun
1
- mass noun liturgical worship regarded as man's primary duty to God礼拜。
2
Opus Dei
a Roman Catholic organization of laymen and priests founded in Spain in 1928 with the aim of re-establishing Christian ideals in society天主事工会（罗马天主教在俗人员和司锋的组织, 1928年成立于西班牙, 以在社会中重树基督教理想为宗旨）。
词源
late 19th cent.: from medieval Latin, literally 'work of God'.