敌后

shēn rù dí hòu

深入敌后

penetrate into the enemy's rear area

dí hòu wǔ gōng duì

敌后武工队

armed working team in enemy-occupied areas

tū jī duì zài dí hòu lái le yī gè tū rán xí jī cuī huǐ le léi dá zhàn

突击队在敌后来了一个突然袭击，摧毁了雷达站。

The commando made a lightning strike behind enemy lines and destroyed the radar station.