With unkempt hair and an unwashed face

• 蓬首垢面

With unkempt hair and an unwashed face的用法和样例：

例句

1. A sort of intellectual warmth, the joy of the pedant who has found out some useless fact, shone through the dirt and scrubby hair.
   他尽管蓬首垢面，却闪耀着一种智慧的光芒，书呆子发现一些没有用处的事实时所感到的喜悦。