roughness

名词 roughness:

1. a texture of a surface or edge that is not smooth but is irregular and uneven
   同义词：raggedness
2. the quality of being unpleasant (harsh or rough or grating) to the senses
   同义词：harshness
3. an unpolished unrefined quality
   同义词：crudeness
4. used of the sea during inclement or stormy weather
   同义词：choppiness, rough water
5. rowdy behavior
   同义词：rowdiness, rowdyism, disorderliness
6. the formation of small pits in a surface as a consequence of corrosion
   同义词：pitting, indentation
7. harsh or severe speech or behavior

1. The referee penalized the team for unnecessary roughness.
   这个队因行为粗鲁而受到裁判的处罚。
2. Roughness of the skin can be caused by bad diet.
   饮食不好可能引起皮肤粗糙。