tarnish

玷污、损害、败坏

The scandal tarnished the company's reputation for years.

那桩丑闻让公司的名声多年来蒙上污点。

使失去光泽、使变黑

Salty air will tarnish the silver cutlery very quickly.

带咸味的空气会很快让银制餐具失去光泽。

失去光泽、变黑、变色

Cheap brass jewelry tarnishes after only a few weeks.

便宜的黄铜饰品戴几个星期就变得黯淡无光。

黯色层、锈斑、失去光泽

She rubbed the tarnish off the old copper kettle.

她把那只旧铜壶上的锈斑擦掉了。

污点、瑕疵

The verdict left a permanent tarnish on his career.

那项判决在他的职业生涯留下了永久的污点。