put/turn the clock back idiom
倒退；倒行逆施；复古
to make things the same as they were at an earlier time
The court's decision on this case will turn the clock back 50 years. 法庭对这个案子的判决简直是将历史车轮倒退了50年。
If I could turn the clock back and do things differently, I would. 要是我能让时间倒流，换个方式做事情，我倒是很愿意。