fifth column

1. N (originally) a group of Falangist sympathizers in Madrid during the Spanish Civil War who were prepared to join the four columns of insurgents marching on the city 第五縱隊; 西班牙內(nèi)戰(zhàn)期間位於馬德裡的長槍黨黨員支持者準(zhǔn)備加入在城內(nèi)遊行的四個縱隊