音标：['tɑ:niʃ]
n. 失泽, 失泽膜, 污点
vt. 使失去光泽, 玷污
vi. 失去光泽, 被玷污
在线英汉词典

tarnish的短语、例句：

tarnish v 1 [I, Tn] (cause sth to) lose its brightness by being exposed to air or damp （因暴露於空气或潮气）（使某物）失去光泽
mirrors that have tarnished with age 因年深月久而失去光泽的镜子
The brasswork needs polishing it´s badly tarnished. 那黄铜制品该擦了--黑糊糊的. 2 [Tn] stain or blemish (a reputation, etc) 玷污, 损害（名誉等）
The firm´s good name was badly tarnished by the scandal. 这件丑事玷污了公司的好名声. tarnish, n [C, U] loss of brightness; stain or blemish 晦暗; 污点; 瑕疵
remove the tarnish from silver 除去银子上的污点.