1. dirt cheap
   贱价,一钱不值
   
2. dish the dirt
   说别人闲话,散布流言蜚语
   
3. pay dirt
   有价值的矿藏,丰富的矿藏,有利可图的发现
   
4. hit the dirt
   落在地上 下火车 迅速卧倒 [体]滑垒
   

1. The workmen excavated dirt and rocks with a steam shovel.
   工人以蒸汽铲掘土和石头。
2. Particles of dirt settled on the tablecloth.
   尘埃落在台布上。
3. Don't invite her! She's as common as dirt.
   别请她来!她是个贱货.
4. We must filter out the dirt.
   我们必须滤除尘垢。
5. Dirt harbors vermin.
   污物藏害虫。

　4个名词解释

　1个形容词解释