Annotation
“네 개의 벽 안에서”ne gaeeui byeok aneseo
on 4 Walls →Approved & live
"네 개의 벽 안에서" means "inside four walls" — the title concept made literal, a private shared space that shuts the outside world out. "4 Walls" was f(x)'s first single after Sulli's departure, released October 27, 2015 as a four-member group (Wikipedia). Sonically it is a tropical-house track drawing on UK garage and deep house, and Billboard later ranked it #9 on its "100 Greatest K-pop Songs of the 2010s" list (Wikipedia).
NContributed byNYC_Tyler_Suga · 🇺🇸 New YorkView profile →Approved by annotation-moderation on Jun 17, 2026.