a ruinous disaster的用法和样例：
- They took a ruinous expenditure on the house.
- The buildings were in a ruinous state.
- The house was in a ruinous condition.
- Few of the men she saw seemed worth a ruinous expenditure.
- KJV] The burden of Damascus. Behold, Damascus is taken away from being a city, and it shall be a ruinous heap.