1. His face and hands were smutted by the coal. 他的脸和双手被煤弄得漆黑。
2. Its main Chinese competitor, Baidu, is just as good at finding smut. 它的中国主要竞争对手，百度，也同样发现淫秽内容。
3. Now, the government's decency police are focused on a less tangible, but apparently no less pervasive, variety of smut: wireless porn. 如今，扫黄部门开始把注意力集中到一个更为隐蔽、不过显然范围毫不逊色的黄源：手机色情。
英英解释
n.
1. a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pi
2. destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powder
3. any fungus of the order Ustilaginales
4. an offensive or indecent word or phrase
5. creative activity (writing or pictures or films etc.) of no literary or artistic value other than to v.
1. make obscene
2. stain with a dirty substance, such as soot
3. become affected with smut
4. affect with smut or mildew, as of a crop such as corn
