joke² v [I] 1 to say funny things 开玩笑，说笑话 2 be joking to say something without meaning it 在开玩笑: Listen, I'm not joking — there is real danger. 听着，我不是在开玩笑，真的有危险。 3 you're joking/you must be jokingspoken used when you are surprised by what someone has just said because it seems strange or silly 【口】 你（一定）是在开玩笑吧〔用来表示某人说的话很奇怪或愚蠢，你感到很惊讶〕: What? Buy a house on my salary? You must be joking! 什么？ 靠我的工资买房子？ 你在开玩笑吧！