Noun:

1. discoloration of metal surface caused by oxidation

Verb:

1. make dirty or spotty, as by exposure to air; also used metaphorically;

   "The silver was tarnished by the long exposure to the air"
   "Her reputation was sullied after the affair with a married man"
   

1.玷污，败坏，损害(名誉或形象)
If you say that somethingtarnishes someone's reputation or image, you mean that it causes people to have a worse opinion of them than they would otherwise have had.

tarnish是什么意思

e.g. The affair couldtarnish the reputation of the prime minister...
这一事件可能有损首相的名誉。
e.g. His image was tarnished by the savings and loan scandal.
他的形象因为那桩储蓄信贷丑闻而受损。

tarnished
He says he wants to improve the tarnished image of his country.
他说他想改善自己国家受损的形象。

2.(使)有污迹;(使)失去光泽;(使)变暗淡
If a metaltarnishes or if somethingtarnishes it, it becomes stained and loses its brightness.

e.g. It never rusts or tarnishes...
它从不生锈，也不会失去光泽。
e.g. Wear cotton gloves when cleaning silver, because the acid in your skin cantarnish the metal.
清洁银器时要戴上棉手套，因为你皮肤里的酸性物质会使它失去光泽。

tarnished
...its brown surfaces of tarnished brass.
它那失去光泽的褐色的黄铜表面

3.锈斑;污点
tarnish is a substance which forms of the surface of some metals and which stains them or causes them to lose their brightness.

e.g. Thetarnish lay thick on the inside of the ring.
戒指内侧有一层厚厚的锈斑。

1. 变色：浸镀银层在空气中碰到微量的硫气时即容易变色(tarnish),为了防变色以及防止银金属的快速迁移(Leaching)甚至破坏绝缘起见,刻意在浸银层表面上生成一薄层有机性保护膜,以堵绝此等缺失.

2.

2. 金属变色：16 硬度 hardness | 17 金属变色tarnish | 18 点滴腐蚀试验 dropping corrosion test

3. 变暗：target 标志 |tarnish 变暗 | tarragon oil 龙蒿油

Moisture leads to the tarnish of the silverware.

湿气使得银器毫无光泽。

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。

The firm's good name was badly tarnished by the scandal.

这件丑事玷污了公司的好名声。

If news of this gets out, it will tarnish his image.

如果这消息传出去

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。

The mirrors had tarnished with age.

这些镜子因年深日久而照影不清楚。

The silver candlesticks were tarnished and dusty.

银烛台都发乌了，满是灰尘。

He hopes to improve the newspaper's somewhat tarnished public image.

他希望改善报纸略有受损的公众形象。

The affair could tarnish the reputation of the prime minister...

这一事件可能有损首相的名誉。

His image was tarnished by the savings and loan scandal.

他的形象因为那桩储蓄信贷丑闻而受损。

It never rusts or tarnishes...

它从不生锈，也不会失去光泽。

Wear cotton gloves when cleaning silver, because the acid in your skin can tarnish the metal.

清洁银器时要戴上棉手套，因为你皮肤里的酸性物质会使它失去光泽。

The tarnish lay thick on the inside of the ring.

戒指内侧有一层厚厚的锈斑。

Stainless steel products won't tarnish.

不锈钢产品不会失去光泽.

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.

Check cutlery cleanliness, free from tarnish and stained.

检查餐具的清洁, 保证光亮无污渍.

He has done more to tarnish the image of America than anyone in history.

他的所作所为,更玷污的形象,美国比任何人的历史.

Safely and effectively erases heat marks , removes tarnish , rust and corrosion from unlacquered metal surfaces.

安全有效地消除烧焦痕迹,擦除未上漆金属表面上的灰暗色 、 锈迹和腐蚀.

Edmond, my friend, do not tarnish that noble and pure image the mirror of my heart.

爱德蒙, 我的朋友, 不要打碎我心里时刻保持着的那个高贵而又美好的形象.

In natural environment, tarnish was observed on the surface of a commemoration silver coin of China.

银纪念币在大气环境中表面发生变色,失去原有的金属光泽.

Air and moisture tarnish silver.

空气和潮湿使银子失去光泽.

Moisture leads to the tarnish of the silverware.

湿气使得银器毫无光泽.

People often buy stainless steel silverware because it tarnish easily.

人们常买不锈钢器皿,因为它不易变黑.

Polished aluminium will tarnish quickly and is often sprayed with a clear lacquer seal.

抛光过的铝很快就会被损毁并且常常要喷透明的密封漆.

' Not even dishonesty can tarnish the shine of profit. '

教条 181-即使是不名誉也不能损伤利润的光辉.

But the applause dies. tarnish. Achievements are forgotten. Accolades and certificates are buried with their owners.

可是掌身消失后, 奖牌生锈后, 成绩也就随之忘却, 于是赞美和证书也就被他们的拥有者所埋葬.

The affair could tarnish the reputation of the prime minister.

这一事件可能有损首相的名誉。

The tarnish lay thick on the inside of the ring.

戒指内侧有一层厚厚的锈斑。

Wear cotton gloves when cleaning silver, because the acid in your skin can tarnish the metal.

清洁银器时要戴上棉手套，因为你皮肤里的酸性物质会使它失去光泽。

• tarnish%20paper">anti-tarnish paper防锈纸
• tarnish%20resistance">tarnish resistance抗蚀力,耐蚀性...
• tarnish%20film">tarnish film失泽膜
• tarnish%20paper">anti tarnish paper防锈纸

• Many metals rapidly..tarnish when exposed to even the driest air.

  出自：T. H. Huxley