游击战

dǎ yóu jī zhàn

打游击战

have a guerrilla war

fǎn pàn zhě zì shàng shì jì yǐ lái yī zhí jìn xíng yóu jī zhàn

反叛者自上世纪以来一直进行游击战。

The rebels have waged a guerrilla war since last century.