n.预兆，前兆，征兆

原形：omen复数：omens

The sudden appearance of a black cat was seen as an omen of bad luck.
突然出现的黑猫被看作是厄运的预兆。
Many cultures believe that a shooting star is a positive omen, signifying good fortune.
许多文化认为流星是一个积极的预兆，象征着好运。
The ancient Romans interpreted the flight patterns of birds as omens to guide their decisions.
古罗马人通过观察鸟类的飞行模式来解释预兆，以此指导他们的决策。
Finding a four-leaf clover is often considered an omen of good luck and prosperity.
发现四叶草常被视为幸运和繁荣的预兆。
Superstitious people might view a broken mirror as a grave omen, foretelling seven years of bad luck.
迷信的人可能将打碎镜子视为严重的不祥之兆，预示着七年的坏运气。
In some traditions, a howling dog at night is an omen of death or impending tragedy.
在某些传统中，夜间狗的嚎叫预示着死亡或即将发生的悲剧。
The unexpected arrival of a long-lost relative can be seen as a joyful omen, signaling a reunion or renewal of family ties.
久违亲戚的意外到来可以被视为一个欢乐的预兆，标志着家庭团聚或亲情的重续。
Before going to battle, warriors would look for omens in nature, hoping for signs of victory.
出征前，战士们会从自然界寻找预兆，希望看到胜利的迹象。
A dream about losing teeth is sometimes interpreted as an omen of major changes or loss in one's life.
梦见掉牙有时被解释为生活中重大变化或损失的预兆。
The discovery of a horseshoe on the road is considered a lucky omen by many, especially if it's found upright.
许多人认为在路上发现马蹄铁是一个幸运的预兆，特别是如果它是直立的话。