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

1.
Kriegszittern, Granatenschock
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.
Viele Soldaten kehrten aus dem Krieg mit Kriegszittern zurück.
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The veteran's nightmares were a lingering effect of his shell shock.
Die Albträume des Veteranen waren eine bleibende Folge seines Kriegszitterns.