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. 馬克思主義者，馬克思主義追隨者研究、推廣馬克思主義或在政治經濟學、歷史或文藝批評等領域利用馬克思的哲學或社會經濟學概念進行分析或闡釋的人
Karl is ambitious to be a big bug. 卡爾野心勃勃，想當大人物。
Karl Marx was born in Germany, and German was his native language. 卡爾馬克思生于德國，德語是他的本族語。
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. 卡爾又像往常一樣說女人不善于開車，但我不想與他爭論，因此隨他說了。