shell shock
US /ˈʃel ˌʃɑːk/
UK /ˈʃel ˌʃɑːk/

1.
neurosis de guerra, shock de combate
a psychological condition caused by prolonged exposure to active warfare, especially bombardment, characterized by anxiety, depression, and impaired functioning.
:
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Many soldiers returned from the war suffering from shell shock.
Muchos soldados regresaron de la guerra sufriendo de neurosis de guerra.
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The veteran's nightmares were a lingering effect of his shell shock.
Las pesadillas del veterano eran un efecto persistente de su neurosis de guerra.