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

1.
回到原点, 完成一个循环
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.
经过多年的旅行,他最终决定回到原点,搬回他的家乡。
•
It seems that fashion trends always come full circle, with styles from decades ago becoming popular again.
时尚潮流似乎总是回到原点,几十年前的风格再次流行起来。