v.(使)变黑；诽谤
The smoke had blackened the white walls of the kitchen. 烟把厨房白色的墙壁黑熏了。
Don't blacken my name by spreading rumours. 别散布谣言败坏我的名声。
She attempts to blacken her ex-husband's character. 她企图毁谤她前夫的品格。
