stain

an act that brings discredit to the person who does it

使做这事的人名誉扫地的行为

he made a huge blot on his copybook

他在文案上留下了一个大污点

blot

smear

sch

spot

a soiled or discolored appearance

脏的或变色的外表

the wine left a dark stain

酒留下了一个黑色的污点

discoloration

discolouration

a symbol of disgrace or infamy

耻辱或耻辱的象征

And the Lord set a mark upon Cain"--Genesi

在该隐身上作了记号

mark

stigma

brand

the state of being covered with unclean things

被不洁之物覆盖的状态

dirt

filth

grime

soil

grease

grunge

(microscopy) a dye or other colorinaterial that is used in microscopy to make structures visible

（显微术）在显微术中用来使结构可见的染料或其它着色材料

color for microscopic study

显微研究用颜色

The laboratory worker dyed the specimen

实验室工作人员给标本染色

color with a liquid dye or tint

用液体染料或颜料着色

Stain this table a beautiful walnut color

把这张桌子染成漂亮的胡

people knew how to stain glass a beautiful blue in the middle ages

中世纪人们知道如何把玻璃染成蓝色

produce or leave stains

产生或留下污渍

Red wine stains the table cloth

红酒弄脏了桌布

make dirty or spotty, as by exposure to air

弄脏或弄脏，如暴露在空气中

also used metaphorically

也用于比喻

The silver was tarnished by the long exposure to the air

银因长时间暴露在空气中而失去光泽

Her reputation was sullied after the affair with a married man

她和一个已婚男人发生婚外情后名誉扫地

tarnish

maculate

sully

defile