muzziness

例句：

1. 1. The room was so dim thatI couldn't see anything clearly.
   房间太暗了，我什么都看不清。
2. 2. Thefog made it difficult to see the roadclearly.
   雾使道路看不清楚。
3. 3. She hada hard time focusing on the lecture becauseof the muzziness in the classroom.
   由于教室里的模糊不清，她很难集中注意力听讲座。