catastrophe

catastrophe
/kəˈtæstrəfɪ; kə`tæstrəfɪ/ n
sudden great disaster or misfortune 突如其来的大灾难或大灾祸
    The earthquake was a terrible catastrophe. 这次地震是可怕的灾难. > catastrophic/ ˌkætəˈstrɔfɪk; ˌkætə`strɑfɪk/ adj
    a catastrophic failure 灾难性的失败.

牛津英汉双解词典