As for her engagement with Adam, I would say the portents are gloomy.至于她和亚当的婚约, 我看兆头不妙。

The savage civil war there could be a portent of what's to come in the rest of the region.那里发生的野蛮内战可能预示了这一地区其他地方将会发生什么。

Are dreams a portent of things to come?梦能预示将要发生什么吗？

A great portent appeared in the heavens – a fiery dragon.天上出现了一个巨大的奇物——一条火龙。