As for arms, they are instruments of ill omen; all things hate them; he who has Tao does not use them.

所谓兵，是不吉利的东西，万物都厌恶，得道的人不用它。

youdao

In the national historical long river of China, "crow" object's cultural symbolic meaning is changing constantly, and meet for ill omen finally.

“乌鸦”物象在华夏民族的历史长河中，其文化象征意义不断地发生着变化，并最终合流为不祥之兆。

youdao

Like all the cottagers in Blackmoor Vale, Tess was steeped in fancies and prefigurative superstitions; she thought this an ill omen - the first she had noticed that day.

像布莱克莫尔谷所有的村民一样，苔丝的头脑里充满了无稽的幻想，尽是相信预兆的迷信；她心里想，被玫瑰花刺扎了，这不是一个好兆头——这是那天她注意到的第一个预兆。

youdao

But what is insufficiently appreciated is that society in Northern Ireland is increasingly becoming mafia like, the competing rival paramilitary organisations are there and the release of prisoners has reinvigorated those organisations and is ill omen for the future.

BBC: Northern Ireland