in jest

例句：

1. 1. She was joking with her friends about the upcoming party.
   她和她的朋友们在开玩笑谈论即将到来的聚会。
2. 2. They were playing a game of cards in jest.
   他们正在开玩笑地玩纸牌游戏。
3. 3. The teacher was joking with his students about the exam results.
   老师在开玩笑地和他的学生讨论考试结果。