turn the clock back
US /tɜːrn ðə klɑːk bæk/
UK /tɜːrn ðə klɑːk bæk/
1.
to return to a previous time or situation, often to a more desirable one
:
•
If I could turn the clock back, I would have studied harder in college.
•
Some people wish they could turn the clock back to simpler times.