tarnished [ˈtɑ:nɪʃt]

以下由轻松背单词网站提供

附加级

（通常指金属）（使）失去光泽，（使）变灰暗( tarnish的过去式和过去分词 )；玷污，败坏

The mirrors had tarnished with age. 这些镜子因年深日久而照影不清楚。
His bad behaviour has tarnished the good name of the school. 他行为不轨，败坏了学校的声誉。