buy a pig in a poke
成語所屬單字buy
buy a pig in a poke — 慣用語
1. to pay for an item without first checking it carefully, so you risk getting some
1.慣用語
釋義
盲目購物；買了再說（不見實物就買）
to pay for an item without first checking it carefully, so you risk getting something of poor quality.
例句
Never buy a used motorbike online without seeing it — that is buying a pig in a poke.