/dɪ'zɑ:strəs; [US] -z'æs-; dɪz`æstrəs/
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场败仗
* 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.
very bad, or ending in failure
a disastrous first marriage
Climate change could have disastrous effects on Earth.
The move proved disastrous (=was disastrous) for the company.
1. The heavy rain brought disastrous floods. 大雨带来了灾难性的水灾。
2. A lawyer is required to write the document, for mistakes in language — even a misplaced preposition — can be disastrous. 应当由律师起草文件，因为文字错误——哪怕只是介词放错了位置——也可能是灾难性的。