tragedies

n.

an event resulting in great loss and misfortune

同义词：calamitycatastrophedisastercataclysm

drama in which the protagonist is overcome by some superior force or circumstance; excites terror or pity

Common Interest Tragedies
Symmetric Tragedies: Commons and Anticommons.
Prevention of breastfeeding tragedies
Beyond blame : child abuse tragedies revisited
Preventing Tragedies TRANSFORMING THE CRISIS-PRONE ORGANIZATION
The Neutered Mother, the Sexual Family and Other Twentieth Century Tragedies
Part 2: The management of breastfeeding. Prevention of breastfeeding tragedies
Thalidomide and the Titanic: reconstructing the technology tragedies of the twentieth century
On emotional innumeracy: Predicted and actual affective responses to grand-scale tragedies.
Transforming the crisis-prone organization : preventing individual, organizational, and environmental tragedies