cost an arm and a leg

含义

to be very expensive

非常昂贵.

例句

1. 1The replacement screen cost an arm and a leg, so I kept the cracked one.
2. 2Hiring a private tutor can cost an arm and a leg over a school year.
3. 3I would buy that jacket, but it costs an arm and a leg at full price.
4. 4Why should a short taxi ride cost an arm and a leg when the bus costs two pounds?
5. 5The repairs cost an arm and a leg; our entire holiday fund went on the invoice.

语法

动词随时态变化；两个不定冠词和单数的身体部位名词保持不变。

意思相近