mercenary
adjective disapproving uk/ˈmɜː.sən.ri/ us/ˈmɝː.sən.ri/
唯利是图的，贪财的
interested only in the amount of money that you can get from a situation
He had some mercenary scheme to marry a wealthy widow. 他有个贪财的计划，想娶个有钱的寡妇。
mercenary
noun [ C ] uk/ˈmɜː.sən.ri/ us/ˈmɝː.sən.ri/
雇佣兵
a soldier who fights for any country or group that pays them
Synonym: soldier of fortune