1. It's a steal.
A Steal 指“极廉宜的东西”

2. Six million dollars for that house is a bit steep.
Steep，指“昂贵”

3. It's a rip off.
Rip off 在美丽俚语中有“敲竹杠”的含义。

4. It cost me an arm and a leg。
Cost somebody an arm and a leg，要某人的一手一脚，引伸指“非常昂贵”

5. The book is dear.
Dear，“昂贵的”

6. My computer is costly.
Costly，“贵重的”

7. Diamond ring is pricey.
Pricey，“高价的”