Let's fix it at seven o'clock. 我们定在七点钟。

A:Hello,Tom!Do you have any plans for this evening?

你好，汤姆。你今晚有安排吗？

B:Nothing special.

没什么特别的安排。

A:How about having dinner with me?

和我一起吃晚饭如何？

B:That's great!I would love to.When?

好极了，我非常愿意。什么时候？

A:Let's fix it at seven o'clock.Ok?

我们定在7点钟，怎么样？

B:No problem.However,maybe I should come early to help you prepare the dinner.

没问题。不过，或许我应该早点来帮你准备晚餐。

A:Don't worry.I will arrange everything.

不用担心，我会安排好一切的。

B:All right.See you tonight.

那好吧，今晚见。