adj.懦弱的,卑鄙的
My first part was Captain O'Hagarty, a dastardly villain in a children's play.
我演的第一个角色是奥哈格蒂船长,一部儿童剧中的恶棍。
He described the killing as a dastardly act.
他把这起谋杀称为极其卑劣的行为。