I'm having rotten luck today.

我今天真倒霉。

youdao

You're kidding! That's really rotten luck.

你开玩笑吧！那简直是倒八辈子霉了。

youdao

Donald: What rotten luck! How long will you have to wear it?

唐纳德：真倒霉！这颈箍要戴多久呢？

youdao

If you work the tide changes in Puget Sound, it is your rotten luck that low tide shifts after the autumnal equinox into the nighttime hours.

FORBES: The American Oyster Paradise