A：Look, it's all water over the dam now. Let's leave it behind us.
看，一切都无法挽回，就别再多想了。
B：Yeah, I know, but it's too hard to do.
对，我知道，但是很难做到。
A：Our eyes should look into the future. We could not live in the past.
我们的目光应该投向未来，不能活在过去。
B：Only sometimes when I think about it, I feel very sad.
只是有时候想起来我就感到难过。
A：It's normal. Time will change everything.
很正常，时间会改变一切的。