他嘲笑试图改变过去的徒劳。
He laughed at the futility of trying to change the past.
他希望有一种后悔药，可以改变过去的错误。
He wishes there was a way to undo his past mistakes.
杰克，我们不能改变过去。
We can't change the past, Jack.
www.kekenet.com不要停留在过去的过失和复发，因为它们都是过去的事了，我们不能改变过去。
Do not dwell on past slips and relapses because they are in the past and we cannot change the past.
max.book118.com该体育俱乐部决定改变过去的某些做法。
The sports club decided to break with some of the past practices.
dict.cn
