We have got to not be dwelling on the past.

我们不能老是沉溺于过去。

No. She's dwelling on the past because she's unhappy in the present.

才不是，她沉湎于过去因为她对现状不满意。

We don't need to dwell on the past.

过去的事情就不要再多说了。

I'm not listening to you, and I'm not dwelling on the past.

罗蕾莱：我不是在听你说，我也不是在回忆过去。

However, I don't think people need to dwell on the past excessively or hold onto grudges and negative experiences.

然而，我不认为人们需要过分沉迷于过去或牢记怨恨和负面经历。

Some people may also argue that there is no purpose in dwelling on the past, as it is long gone, and that our focus should be on the future.

有些人可能还会争辩说， 回忆过去是没有意义的，因为它早已过去， 我们的重点应该放在未来。