das·tard·ly /-li/
(ad.)怯懦地;卑鄙地
Das·tard·ly, a. Meanly timid; cowardly; base; as, a dastardly outrage.
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dastardly
adj : treacherously cowardly; "the unprovoked and dastardly attack
by Japan on...December 7th"- F.D. Roosevelt [syn: dastard(a)]