justification /ˌdʒʌstifiˈkeiʃən/ n. [u] 正当理由,借口:the moral justification 道义上的正当理由;with full justification 有充分理由地
justify /ˈdʒʌstifai/ vt. 解释…是对的;说明…是对的: I do not think this criticism is justified by the facts. 我认为事实并没有证明这个批评是正确的。He tried to justify his absence with lame excuses.他想用站不住脚的借口为自己的缺席辩解。