come full circle
US /kʌm fʊl ˈsɜːrkl/
UK /kʌm fʊl ˈsɜːrkl/

1.
回到原點, 完成一個循環
to return to a previous position or situation, having completed a full cycle or journey
:
•
After years of traveling, he finally decided to come full circle and move back to his hometown.
經過多年的旅行,他最終決定回到原點,搬回他的家鄉。
•
It seems that fashion trends always come full circle, with styles from decades ago becoming popular again.
時尚潮流似乎總是回到原點,幾十年前的風格再次流行起來。