1、beneath
在…之下；在…下面
She could see the muscles of his shoulders beneath his T-shirt.
她可以看到他T恤衫下的肩部肌肉。
She found pleasure in sitting beneath the trees.
她喜歡坐在樹下。
在…表面之下；在…的背后
emotional strains beneath the surface.
表面之下的情感糾結
Somewhere deep beneath the surface lay a caring character.
在內心深處的某個角落里埋藏著一顆愛心。
不如；比不上；配不上
They decided she was marrying beneath her.
他們認定她要嫁給一個配不上她的人。
Many find themselves having to take jobs far beneath them.
很多人覺得自己在工作上被迫大材小用。
2、tarnish
玷污，敗壞，損害(名譽或形象)
The affair could tarnish the reputation of the prime minister.
這一事件可能有損首相的名譽。
His image was tarnished by the savings and loan scandal.
他的形象因為那樁儲蓄信貸丑聞而受損。
(使)有污跡;(使)失去光澤;(使)變暗淡
It never rusts or tarnishes.
它從不生銹，也不會失去光澤。
Wear cotton gloves when cleaning silver, because the acid in your skin can tarnish the metal.
清潔銀器時要戴上棉手套，因為你皮膚里的酸性物質會使它失去光澤。