dastardly

形容词 dastardly:

1. treacherously cowardly- F.D. Roosevelt
   同义词：dastard

1. I ask that the Congress declare that since the unprovoked and dastardly attack by Japan on Sunday December7,1941, a state of war has existed between the United States and the Japanese Empire.
   我要求国会宣布：由于日本在1941年12月7日星期日对我国无故进行卑鄙的袭击，美国同日本已经处于战争状态。

das.tard.ly

adj.（形容词）
Cowardly and malicious; base.
卑怯的：胆小而恶毒的；卑鄙的

【引伸】
das.tardliness
n.（名词）