急襲

1. Origins, structure, and basic meaning

• Structure: 急襲 (きゅうしゅう) is a sudden attack before the opponent can prepare. The examples show an executed verb and a hazard anticipated.
• Basic usage: An enemy raids a fortress before dawn; defenders keep watch in preparation for such an attack.

2. Common pitfalls and similar expressions

• Raid carried out and threat anticipated by defenders
  • The target is 砦を; the expected hazard appears in 急襲に備えて. The latter does not say an attack has already occurred.