adj 共產(chǎn)(黨)主義的，社會(huì)主義的 (communist，socialist)(infml)：The R～Army 紅軍;R～China 紅色中國(guó);
n 共產(chǎn)(社會(huì))主義者(member or supporter of a Communist or Socialist Party)[C](infml)：His aim is to get the R～s out of Parliament. 他的目的是把赤色分子趕出議會(huì)。the conflict between R～s and Whites 社會(huì)主義者和反社會(huì)主義者的沖突;
(2)激進(jìn)(革命)分子(person who favours extreme or fundamental change in political，social or economic conditions;leftist，revolutionary)[C]：The union is organized by～s. 這個(gè)聯(lián)合會(huì)是由激進(jìn)分子組成的。