tiān / yǒu / bù / cè / fēng / yún / ， / zhè / zhǒng / nì / liào / zhī / wài / de / biàn / huà / ràng / jì / huà / quán / pán / dǎ / luàn

天有不测风云，这种逆料之外的变化让计划全盘打乱。

Fortune is unpredictable; this unforeseen change completely disrupted the plans.