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”