no kidding?/are you kidding?/you're kiddingspokenSERIOUS/NOT JOKING used when you are so surprised by what someone has told you that you do not completely believe them 不是开玩笑吧? Carlotta’s 39? No kidding? 卡洛塔39岁了?不是开玩笑吧?
→ no kidding?/are you kidding?/you’re kidding at kid2(1)