dirt cheap

例句：

1. 1.The store offers a lot of dirt cheap items for sale.
   这家商店有很多非常便宜的商品出售。
2. 2.He bought the car with his savings and it was dirt cheap compared to other cars on the market.
   他用积蓄买了这辆车，和市场上的其他车相比非常便宜。
3. 3.She decided to buy a used car that was dirt cheap but still reliable.
   她决定买一辆二手但仍然可靠的便宜车。