omen
/ˈəʊmən/noun
1- an event regarded as a portent of good or evil征兆：
the ghost's appearance was an ill omen
鬼的出现是不好的征兆
a rise in imports might be an omen of recovery.
进口的增加可能是恢复的征兆。
1.1
- mass noun prophetic significance预兆性：
the raven seemed a bird of evil omen.
乌鸦似乎是一种预兆凶险的鸟。
词源
late 16th cent.: from Latin.