The heiress is badly treated by her dastardly uncle.这位女继承人受到她那卑鄙的叔叔的虐待。
He described the killing as a dastardly act.他称这起谋杀为懦夫行径。
英汉双解词典包含368430条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。