One that studies, advocates, or makes use of Karl Marx's philosophical or socioeconomic concepts as a method of analysis and interpretation, as in political economy or historical or literary criticism. 马克思主义者，马克思主义追随者研究、推广马克思主义或在政治经济学、历史或文艺批评等领域利用马克思的哲学或社会经济学概念进行分析或阐释的人
Karl is ambitious to be a big bug. 卡尔野心勃勃，想当大人物。
Karl Marx was born in Germany, and German was his native language. 卡尔马克思生于德国，德语是他的本族语。
Karl made his usual comment about women being poor drivers, but I decided to let it pass rather than get into an argument about it. 卡尔又像往常一样说女人不善于开车，但我不想与他争论，因此随他说了。