calamitous + noun
calamitous 常修饰表示事件或结果的名词，如 earthquake, failure, consequence 等。
The calamitous earthquake destroyed the entire city.
那场灾难性的地震摧毁了整个城市。
灾难性的；极其不幸的；造成严重损失的
(事件)具有极其不幸或可怕的后果；带来毁灭；不幸的
Causing or involving calamity; disastrous; having extremely unfortunate or dire consequences.
灾难性的。
Causing or involving calamity; disastrous.
(事件)具有极其不幸或可怕的后果；带来毁灭
(of events) having extremely unfortunate or dire consequences; bringing ruin; ; ; ; - Charles Darwin; - Douglas MacArthur
The earthquake had a calamitous effect on the entire region, leaving thousands homeless.
这场地震对整个地区造成了灾难性的影响，导致数千人无家可归。
用法提示：形容词作定语，修饰名词effect，表示‘灾难性的’影响。
AI contextual example
The company's calamitous decision to ignore safety regulations led to a major factory explosion.
该公司忽视安全规定的灾难性决定导致了一场严重的工厂爆炸。
用法提示：形容词作定语，修饰名词decision，表示‘灾难性的’决定。
AI contextual example
Their investment turned out to be calamitous, wiping out their life savings completely.
他们的投资结果是灾难性的，完全耗尽了他们的毕生积蓄。
用法提示：形容词作表语，描述主语investment的结果是‘灾难性的’。
AI contextual example
calamitous 常修饰表示事件或结果的名词，如 earthquake, failure, consequence 等。
The calamitous earthquake destroyed the entire city.
那场灾难性的地震摧毁了整个城市。
介词 for 或 to 引出受影响的对象。
The policy was calamitous for the economy.
这项政策对经济来说是灾难性的。
用于比较级结构，强调同等灾难程度。
No other event was as calamitous as the war.
没有其他事件像这场战争一样灾难深重。
grammar · medium
易错句子This event is a calamitous.
正确表达This event is calamitous.
形容词'calamitous'前不能加不定冠词'a'；应直接作表语，或改用名词'calamity'。汉语中'灾难'既可作名词也可作形容词，但英语中形名有别。
grammar · medium
易错句子The news spread calamitous across the town.
正确表达The news spread calamitously across the town.
修饰动词'spread'需用副词形式'calamitously'，而非形容词'calamitous'。汉语副词常与形容词同形，但英语需加-ly后缀。
calamitous强调不幸的后果，catastrophic强调巨大灾难
calamitous多用于抽象不幸，disastrous强调造成巨大损失
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