Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Problem:The idiom " pig in a poke " is used to describe something which is purchased without the buyer being aware of its true nature or value .
Solution:
The English colloquialisms such as " turn out to be a pig in a poke " or " buy a pig in a poke " mean that something is sold or bought without the buyer knowing its true nature or value , especially when buying without inspecting the item beforehand .