ruinous

adj. /ˈruː.ə.nəs/ B2

毁灭性的；招致破产的

Causing great damage, destruction, or extremely high financial cost.

仙境例句

“Tarts for this whole crowd? That would be ruinous!” cried the King.

“给这一大群人都发馅饼？那我可要倾家荡产了！”国王叫道。