1. And in the long run it brings ruinous consequences to the whole community. 而且就长期而言，它会给整个社会造成破坏性后果。
2. It was their infatuated perseverance in an unjustifiable, a hopeless, a ruinous in war which had brought the nation to its present pass. 正是他们昏头昏脑地坚持进行一个不合理的、无希望的、毁灭性的战争，才把国家弄成现在这般田地。
3. For high-debt countries, such as Greece and Italy, the interest rates demanded by markets to insure themselves against such risks would be ruinous. 对象希腊和意大利等高负债国家，市场投资者为确保自身免受此类风险而要求的利率将会太高，且是破坏性的。
英英解释
adj.
1. extremely harmful; bringing physical or financial ruin
2. causing injury or blight; especially affecting with sudden violence or plague or ruin
