煤烟熏黑的

例句：

1. 1.The smoke from the fire smudged the windows.
   火烟把窗户都熏黑了。
2. 2. The oil on her hands smudged when she rubbed it.
   她手上的油一擦就模糊了。
3. 3.The paint on the wall has started to smudge.
   墙上的油漆开始变脏了。