tarnish 

  1. 動詞
不及物動詞:
失去光澤
變灰暗
蒙受恥辱, 被玷汙
及物動詞:
使...(金屬等)失去光澤
使...(金屬等)變灰暗
敗壞...(名譽、形象等)
玷汙...(名譽、形象等)
誹謗...(名譽、形象等)

    同義字詞
blemish,darken,mar,poison,spoil,stain,taint,touch,vitiate

  2. 名詞
可為不可數或單數可數名詞:
晦暗
無光澤
玷汙, 汙點
(金屬表面的)失澤膜

    
                        
    3. 
                                            

                

            

            
            

                

                
例句

                

                    
    
                                                    
  1. 
                                It should tarnish more slowly .                            
    2. 
                                                    
  2. 
                                Lest we tarnish the last Mahatma's name.                            
    3. 
                                                    
  3. 
                                They never rust, dull, tarnish , or soil.                            
    4. 
                                                    
  4. 
                                But high-carbon alloy blades tarnish quickly.                            
    5. 
                                                    
  5. 
                                They tarnish their material and cause stains .                            
    6.