tarnish
🇺🇸
/ˈtɑːrnɪʃ/
🇬🇧
/ˈtɑːnɪʃ/
To make metal lose its shine, often because of exposure to air or moisture.
If you don't clean them, your silver spoons will tarnish.
それらをきれいにしなければ、あなたの銀のスプーンは変色します。
To make people think less highly of someone or something.
Her last project's failure tarnished her reputation.
彼女の最後のプロジェクトの失敗が彼女の評判を損なった。
A dull layer that forms on metal, making it less shiny.
The tarnish on the brass handles could be seen from a distance.
真鍮の取っ手についた変色は遠くから見えました。