甲
我们准备给李老师办一个生日派对。 乙：太好了！什么时候开？
A: We are preparing a birthday party for Teacher Li. B: Great! When is it?
甲
明天下午三点，在办公室举行。 乙：那我们要保密，不能让李老师知道。
A: Tomorrow at 3 p.m., held in the office. B: Then we have to keep it secret and not let Teacher Li know.
甲
对，这次是惊喜派对。你负责买蛋糕，我负责邀请同事。 乙：好的，我会准备好一切！
A: Yes, this is a surprise party. You are responsible for buying the cake, and I will invite colleagues. B: Okay, I will prepare everything!