今天真倒霉。

Jīntiān zhēn dǎoméi.

Bad luck today.

我今天倒霉，一大早就丢了钱包。

Wǒ jīntiān dǎoméi, yī dàzǎo jiù diūle qiánbāo.

I had a stroke of bad luck today. I lost my wallet early in the morning.

这几天运气一直很倒霉，事情都不顺利。

Zhè jǐ tiān yùnqì yīzhí hěn dǎoméi, shìqíng dōu bù shùnlì.

I've been having a string of bad luck these days, and things haven't been going smoothly.