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新东方-柯林斯雅思备考词典
blacken
英 [ˈblækən]
[VERB]
blackens , blackening , blackened
1. [I 不及物动词] 使变黑 , 变黑
To blacken something means to make it black or very dark in colour. Something that blackens becomes black or very dark in colour.
双语例句
例：The married women of Shitamachi maintained the custom of blackening their teeth.
下町的已婚妇女保留了染黑牙齿的习俗。
2. [T 及物动词] 诋毁
If someone blackens your character, they make other people believe that you are a bad person.
双语例句
例：They're trying to blacken our name.
他们在设法败坏我们的名声。