zhè / chǎng / tū / rú / qí / lái / de / shì / gù / chéng / le / zhěng / gè / xiàng / mù / de / cuī / mìng / fú

这场突如其来的事故成了整个项目的催命符。

This sudden accident became an irresistible factor that accelerated the project's downfall.