pig in a poke
以與實際情況不符的方式出售或購買商品,即沒有檢查也沒有了解就購買商品
口語·警示盲目購買
英文釋義
to buy or accept something without knowing its true nature or value
例句
Buying that used car without a test drive was like buying a pig in a poke.
典故來源
源自中世紀歐洲市場,騙子將貓冒充豬裝在袋子里出售,買家未檢查就買下。