omen

名词 omen:

1. a sign of something about to happen
   同义词：portent, presage, prognostic, prognostication, prodigy

名词 oman:

1. a strategically located monarchy on the southern and eastern coasts of the Arabian Peninsula; the economy is dominated by oil
   同义词：Oman, Sultanate of Oman, Muscat and Oman

动词 omen:

1. indicate by signs
   同义词：bode, portend, auspicate, prognosticate, presage, betoken, foreshadow, augur, foretell, prefigure, forecast, predict

1. An omen or foreboding, especially of evil.
   预示，预兆，凶兆预兆或凶兆，尤指不幸的
2. An indication of something important or calamitous about to occur; an omen.
   预告，为 ... 的征兆预示着重大事情或灾难性事情即将发生的预兆; 预告
3. It's an omen of victory.
   那是胜利的预兆。
4. The crow is a bird of ill omen.
   乌鸦是不祥的预兆。

o.men

n.（名词）
A phenomenon supposed to portend good or evil; a prophetic sign.
预兆：可以预测好坏的一现象；预兆
Prognostication; portent:
预知；预兆：
例句：
birds of ill omen.
带来恶兆的鸟

v.tr.（及物动词）
o.mened,o.men.ing,o.mens
To be a prophetic sign of; portend.
预示：成为…的预兆信号；预告

来源：
Latin ômen
拉丁语 ômen