augury

黑猫横穿马路被当地人视为不祥之兆。

A black cat crossing the road was considered an ___augury of bad luck by the locals.

农民们通过观察鸟类的飞行方式来占卜天气。

Farmers used the flight patterns of birds as a form of ___augury to predict the weather.

清晨的彩虹让人感觉是婚礼日的吉兆。

The morning rainbow felt like a favorable ___augury for the wedding day.