(I don't know why)
[Hyuna] wae nal irido goerophineun niga
(I don't know why) wae nal irido mollajuneun niga
(I don't know why) mwoga geurido nan joheunji
[Hyorin] isaram isarang ttaeme jukgesseo let go

[Nana] maldo cham muttukttukhageman hago
Naboda chinguga hangsang meonjeogo
[Hyosung] jumalman doemyeon sinnage nolgiman bappeugo
Nae mamdo moreuneun isaram eotteokhalkkayo

Niga niga mwonde
[Nana] wae nareul ullyeo miwojukgesseo
[Nicole] soksanghae sal su eobtjanha niga niga mwonde
[Hyosung] jakkuman kkeullyeo miwojukgesseo
[Hyorin] ijen eojjeol su eobtjanha

(I don't know why)
[Nana] nae maeumi (I don't know why)
[Nicole] wae ireonji (I don't know why)
[Hyosung] moreugesseo
[Hyorin] isaram isarang ttaeme jukgesseo
Nal ullineun isaram igijeogi isaram
Baram gateun isarang mwoga geurido joheunji
[Hyosung] nal ullineun isaram igijeogi isaram
Galdae gateun isarang isarang ttaeme jukgesseo

[Hyuna] i sarameun naege wae ireolkkayo?
Daeche eoneu byeoreseo wasseulkkayo ?
Eojjeom irido geureoke malhaedo

Maennal jibakke moreulkkayo ?

[Hyuna/Nicole] i nappeun sarami nan mwoga geuri ippeudago
Nan haruga meoldahago jingjingdae tto bogosipdago

Niganigamwonde
[Nana] wae nareul ullyeo miwojukgesseo
[Nicole] soksanghae sal su eobtjanha niganigamwonde
[Hyosung] jakkuman kkeullyeo miwojukgesseo
[Hyorin] ijen eojjeolsu eobtjanha

(I don't know why)
[Nana] nae maeumi (I don't know why)
[Nicole] wae ireonji (I don't know why)
[Hyosung] moreugesseo
[Hyorin] isaram isarang ttaeme jukgesseo
Nal ullineun isaram igijeogi isaram
Baram gateun isarang mwoga geurido joheunji
[Nicole] nal ullineun isaram igijeogi isaram
Galdae gateun isarang isarang ttaeme jukgesseo

[Nana] jebal neo jeongsin jom charyeo
[Hyorin] jebal neo nae mal jom deureo boy
[Nicole] eonjekkaji nae mam apeugehallae
[Hyosung] eonjekkaji nae mam molla jullae

I don't know why
I don't know why (don't know why, don't know why)
I don't know why
[Hyorin] isaram isarang ttaeme jukgesseo