rú guǒ / hū shì / fáng hóng / gōng chéng / zhěng gè / chéng shì / de / ān quán / jiāng / zài / hóng shuǐ / zhōng / huǐ yú yī dàn

如果忽视防洪工程，整个城市的安全将在洪水中毁于一旦。

If flood control projects are neglected, the safety of the entire city will be destroyed in the flood.