Choose the correct meaning of the underlined idiom in the given sentence.

The trip to Europe cost us an arm and a leg!

Was very expensive

The correct meaning of the underlined idiom in the given sentence is >Was very expensive.<

The idiom "cost an arm and a leg" means to be very expensive. It is often used to describe something that is so expensive that it is almost impossible to afford. The idiom is thought to have originated in the 16th century, and it is believed to refer to the fact that limbs were often amputated as a punishment or as a medical treatment.

The other options are not correct.

• To be cheap does not mean to cost an arm and a leg.
• To cost nothing does not mean to cost an arm and a leg.
• To be more than assumed does not mean to cost an arm and a leg.