1. Don''t blacken my name by spreading rumors.
    不要散播流言，破坏我的名誉。

2. Clouds blacken the heavens.
    云遮暗了天。

3. The commandos blackened their faces with charcoal.
    突击队员用木炭把脸涂黑。

4. He blackens his opponents by giving them names.
    他用起各种外号来诽谤他的对手。

1. danci.edu.pub

1. 使变黑：blackdamp 窒息瓦斯 | blacken 使变黑 | blackface 扮演黑人

2. blacken

2. 扑灭火焰：blacken down 使黑暗 | blacken 扑灭火焰 | blackout 信号消失

3.

3. 涅：blackeaglecondorcruel 鹫 | blacken 涅 | blackenconstantlytoinsult 黩

4.

4. 变黑：authority (通常用复数)当局 | blacken 变黑 | century 世纪

1. （使）变黑；弄黑；涂黑
    To blacken something means to make it black or very dark in colour. Something that blackens becomes black or very dark in colour.

    e.g. The married women of Shitamachi maintained the custom of blackening their teeth...
           下町的已婚女性还保留着把牙齿涂黑的习俗。
    e.g. You need to grill the tomatoes until the skins blacken.
           你得把番茄烤到皮变黑为止。

2. 诬蔑；玷污；给…抹黑
    If someone blackens your character, they make other people believe that you are a bad person.

    e.g. He accused him of knowingly spreading falsehoods in an effort to blacken my character...
           他指控他蓄意散布虚假信息以玷污我的人格。
    e.g. They''re trying to blacken our name.
           他们企图败坏我们的名声。

1. make or become black

    e.g. The smoke blackened the ceiling
           The ceiling blackened

    Synonym: melanizemelanisenigrifyblack

2. burn slightly and superficially so as to affect color

    e.g. The cook blackened the chicken breast
           The fire charred the ceiling above the mantelpiece
           the flames scorched the ceiling

    Synonym: charsearscorch