The savage civil war there could be a portent of what's to come in the rest of the region.

那里的野蛮战争可能预示着该地区将要发生什么事情。

《柯林斯英汉双解大词典》

I see it as a portent of thing to come.

我把它看作是将要到来的事物的前兆。

youdao

I have become like a portent to many, but you are my strong refuge.

许多人以我为怪。但你是我坚固的避难所。

youdao

But should we be assuming that this is a portent of climate change?

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There is a portent here I am afraid and an unsettling one.

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The sweeping trend in female entrepreneurship, particularly among young women is a portent of real change in the startup economy, particularly in fundraising.

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