奇袭

fā dòng qí xí

发动奇袭

make a surprise attack

qí xí duì

奇袭队

a surprise party

zhè zuò chéng bǎo bèi qí xí gōng xiàn

这座城堡被奇袭攻陷。

The castle was taken by surprise.

dí jūn cóng bèi hòu shòu dào qí xí ér luàn le zhèn jiǎo

敌军从背后受到奇袭而乱了阵脚。

The enemy reeled when surprised from the rear.