The unusually heavy rainfall was an ill omen for the travellers.

异乎寻常的大雨是旅行者的不祥之兆.

《简明英汉词典》

Some people consider a black cat a creature of ill omen.

有些人认为黑猫是不祥的兆头.

辞典例句

The usually heavy rainfall was an ill omen for the travelers.

通常雨下得很大,对于旅游者来说,是个不祥之兆.

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He was netted by an ill omen.

一种不详的预兆萦绕着他.

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Who's that old bird of ill omen?

是哪只晦气的公猫? ”

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The crow is a bird of ill omen.

乌鸦是不祥的预兆.

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