adj.懦弱的，卑鄙的...

He described the killing as a dastardly act.他把这起谋杀称为极其卑劣的行为。...

dastardly的音标：dastardly的英式发音音标为：['dæstədli]dastardly的美式发音音标为：['dæstərdli]...