tarnishes

n.

污点，瑕疵，无光泽( tarnish的名词复数 )；

v.

（通常指金属）（使）失去光泽，（使）变灰暗( tarnish的第三人称单数 )；玷污，败坏；

1. Moisture leads to the tarnish of the silverware.
   湿气使得银器毫无光泽。
2. Check cutlery to make sure them free from tarnish and stain.
   检查餐具的清洁,保证光亮无污渍。

1. The firm's good name was badly tarnished by the scandal.
   这件丑事玷污了公司的好名声。
2. If news of this gets out, it will tarnish his image.
   如果这消息传出去
3. These pessimistic predictions and doubts, however, cannot tarnish facts.
   但预测也好、疑问也罢，终究抵挡不住事实的光芒。

Obscenity trial Tarnishes America
'Gold-plating tarnishes UK regulation'
Italy: Corruption probe tarnishes Elettra
Violin Memory Meltdown Tarnishes Flash Market
Spike in sublease space tarnishes Princeton's crown
Humacao scandal irreparably tarnishes police image
Property Rights Row Tarnishes Georgian Government’s Image
Examination Committees Decision Tarnishes Reputations
Environment Friendly Deposition of Silver and Anti-tarnishes
Unfair Dismissal: 'Derivitave Misconduct"Tarnishes Employer-Employee Trust Relationship