Phrase Study 3.a shadow of:a slight trace of sth. 某事物的痕迹 There is not a shadow of justification for your behavior. not a shadow of doubt无可置疑 Tonight,she knew without any shadow of doubt thte was lying to her. Phrase Study 3. a shadow of: a slight trace of sth. 某事物的痕迹 There is not a shadow of justification for your behavior. not a shadow of doubt 无可置疑 Tonight, she knew without any shadow of doubt that he was lying to her