disaster
n.灾难(catastrophe,calamity)
disastrous
adj.灾难性的，悲惨的 (catastrophic)
A few disastrous investments ruined the company.
一些损失惨重的投资毁了公司。
calamity
n.不幸之事，灾难(catastrophe,mishap)
The Red Cross provides relief in case of calamities such as floods, earthquakes and hurricanes.
红十字会为洪水、地震和飓风之类的灾难提供救济。
unfortunate
adj.不幸的
holocaust
n.大屠杀(slaughter)
carnage
n.大屠杀，残杀(massacre,slaughter)
cataclysm
n.洪水， 大灾难
The eruption of the volcano was an unexpected cataclysm.
火山爆发是一场意外灾难。
avalanche
n.雪崩
It is reported that no people were killed in the current avalanche.
据报道，没有人在这次雪崩中丧生。
slaughter
n./v.屠宰， 残杀，屠杀(carnage, genocide)
catastrophe
n.异常的灾祸(disaster)
The crash of the stock market was a financial catastrophe.
股市崩盘是一场金融灾难。
casualty
n.意外伤亡，事故
Jane saw a casualty on the highway and phoned the police.
简在高速公路上看到一场事故，于是给警察打了电话。
mishap
n.灾祸，不幸(mischance,accident)
The fisherman drowned in a boating mishap.
渔夫在一次划船事故中淹死了。
adversity
n.不幸;逆境(misfortune)
The adversity of losing one's job is difficult to bear.
失去工作的不幸是难以忍受的。
afflict
vt.使痛苦，折磨(torture)
He was afflicted with arthritis.
他患了关节炎。