词汇精选：disastrous的用法和辨析

一、详细释义：

adj.

灾难性的，损失惨重的；悲惨的

例句：

Destruction of habitats, disastrous environmental and climatic changes can reduce an animal population.

生存地的破坏，环境和气候灾难性的变化会造成某种动物的减少。

例句：

When money is in short supply many businesses fail.

该公司的财政事务处于一种灾难性的状况，随时可能破产。

二、词义辨析：

unhappy,unfortunate,unlucky,disastrous

这些形容词均有“不幸的”之意。unhappy多用于表示心理状态，指由于不满意或遇到一般性倒霉事而感到不愉快。unfortunate语气较强，多指因命运不佳，意外不幸或事业失败、生活处于困境等而感到不幸。unlucky指因缺少或一时无机遇，虽作了努力，但事不从心，感到失意。disastrous着重不可避免和后果严重。

三、参考例句：

Divorce often has disastrous consequences.

离婚往往具有灾难性的后果。【CET-4 2008.06 阅读】

Otherwise, you will usher in disastrous consequences.

否则, 你将会迎来不堪设想的后果。

Her investment had disastrous consequences: she lost everything she owned.

她的投资结果很惨，血本无归。

His intemperate ambition will bring him disastrous failure.

他过度的野心会给他带来灾难性的失败。

The new system has had a disastrous effect on productivity.

新制度已对生产力造成了灾难性的影响。

The new system had a disastrous effect on productivity.

这项新制度对生产力造成了很坏的影响。

Her investment had disastrous consequences, she lost everything she owned.

她的投资结果很惨，血本无归。

Environmental pollution can trigger a lot of disastrous results.

环境污染可以导致许多灾难性后果。

This had been a disastrous week for the prime minister.

这对于首相来说是灾难性的一周。

The effect on coffee prices has been disastrous for the producers.

对咖啡价格的影响对生产商而言是灾难性的。