- blacken
 - ['blækən]
 - vt. 使变黑;诽谤,诋毁
vi. 变黑 
参考例子
           - 1.The commando blackened his face with charcoal.
 - 那名突击队员用木炭把他的脸涂黑。
 
- 2.Blacken easily with cold bath face?
 - 用冷水洗脸容易变黑吗?
 
- 3.Do not blacken your fame, and perish in dishonour.
 - 不要玷污你的名声,不光彩地毁掉自己!
 
英文解释
           - v.
 - 1.make or become black
 - 2.burn slightly and superficially so as to affect color
 
网络释义
               - blacken
 - 使变黑; 扑灭火焰; 变黑; 发黑;
 
- blacken out
 - 无法记起; 用...涂掉; 使...熄灭;
 
- T blacken
 - 垃圾摇滚;
 
- blacken the hair
 - 补益精血、乌发养颜:;
 
- Blacken the day
 - 将白昼吞黑;