一周回って
Meanings
1
when you really think about it; all things considered; in the end
Used to introduce a conclusion reached after considering various factors or after a long process; often implies that the result is somewhat ironic or contrary to initial expectations.
When you really think about it, I think simple designs are the best after all.
I tried various things, but in the end I went back to the original method.
2
back in style; once again fashionable
Describes something that was once popular, went out of fashion, and has now become trendy again; often used for fashion, music, or retro items.
90s fashion has come back in style.
This song, now that it's back in style, sounds really fresh when you listen to it.