tā / jué / de / jīn / tiān / shì / dǎi / rì / suǒ / yǐ / jué / dìng / gǎi / tiān / zài / chū / fā

他觉得今天是歹日，所以决定改天再出发。

He thinks today is an unlucky day, so he decided to leave another day.