disastrous
adj
being or causing a disaster 灾难性的; 造成灾害的; 失败的
disastrous floods 灾难性的洪水
a defeat that was disastrous to the country 给国家带来灾难的一?quot;苷?BR> Buying this house was a disastrous step
it´s going to have a main road built behind it. 买下这所房子是一大失策, 因为房後就要建一条公路了.