Who says意思

"Who says" 這個短語在英語中通常用於詢問信息的來源或某件事情是誰提出的。它可以用來質疑或確認某人或某物的身份、權威、資格或所聲稱的事實。以下是一些例子：

1. 詢問信息來源：

   • A: "You should eat more vegetables."
   • B: "Who says?"

2. 質疑權威或建議：

   • A: "The new policy states that we need to wear formal attire to work."
   • B: "Who says we have to follow that?"

3. 確認身份或歸屬：

   • A: "I heard that the band U2 is coming to town."
   • B: "Who says? Have you seen an official announcement?"

4. 詢問是誰提出的觀點或建議：

   • A: "We should consider moving to a new office space."
   • B: "Who says that? Have you done any research on the matter?"

5. 質疑命令或指示：

   • A: "You need to finish this report by tomorrow."
   • B: "Who says I have to finish it by tomorrow?"

在口語中，"who says" 也可以用來表達一種不屑或不服從的語氣，尤其是在年輕人之間的對話中。然而，這種用法可能會被視為不禮貌或挑釁，所以要根據上下文和文化背景來判斷其意圖。