adj.<书> 耗资巨大的,无法承担的,破坏性的,导致严重问题的
The house was in a ruinous condition.
房子倾圮了.
The decision was to prove ruinous.
后来证明这个决定造成了极大的危害。
After a ruinous strike, the union caved in.
一场破坏性的罢工之后,工会突然服软了。