You mean it ?
母語人士的回答
Rebecca
mean某事意味著打算、有目的或忠於它。所以you mean it? are you serious?, are you sure?是另一種說法。例子: You mean it? You really think I can get in to that university? (認真的嗎?你覺得我能去那所大學嗎?) 例子: A : I'll pay the bill. (我會付錢的。) B : You mean it? (你確定嗎?)