Hey boys, no more worries, put on a smile for me
Hey girls, no pain no gain is what they say, right
Ok, no need to stress, ok, brush it off your chest
Through the rain there's a brighter day, don't worry be happy

Eojireo wo jukgesseo mwoga geuri mari manha
Mom seori seori chyeo jineun inal jombwa
Nuga meonjeo geuman jom hae jogeum man chama gwaen chanha
I'm sorry, sorry nuga meonjeo malhaebwa

Ooh, boys, ooh, girls, be happy, hey, be happy, hey
Ooh, boys, ooh, girls, be happy, hey, be happy, ha

Ireo kung jeoreo kung mwoga geuri mari manha
Oh, utja utja geunyang useo beorija
Iraera jeoraera apeun mareun haji mara
Oh, utja utja geunyang useo beorija

Ha, ha, ha, ha, ho, ho, ho, ho geunyang utja
Ha, ha, ha, ha, ho, ho, ho, ho geunyang utja
Ha, ha, ha, ha, ho, ho, ho, ho geunyang utja
Ha, ha, ha, ha, ho, ho, ho, ho geunyang utja

Hey boys, gogae sugiji malgo geunyang keuge useobwa
Hey girls, jjajeung nago dap daphaedo it's gonna be alright
Smile for me, alright, smile for me, alright
Through the rain there's a brighter day, don't worry be happy

Saram deuri moduga apeudago ureodo
Oh, dori dori jal dwelgeoya gwaen chanha
Apeudago datumyeon jeongmari geon ani janha
Nae soni soni anirago hajanha

Ooh, boys, ooh, girls, be happy, hey, be happy, hey
Ooh, boys, ooh, girls, be happy, hey, be happy, ha

Ireo kung jeoreo kung mwoga geuri mari manha
Oh, utja utja geunyang useo beorija
Iraera jeoraera apeun mareun haji mara
Oh, utja utja geunyang useo beorija

Ha, ha, ha, ha, ho, ho, ho, ho geunyang utja
Ha, ha, ha, ha, ho, ho, ho, ho geunyang utja
Ha, ha, ha, ha, ho, ho, ho, ho geunyang utja
Ha, ha, ha, ha, ho, ho, ho, ho geunyang utja

Don't worry, worry, don't, don't worry baby
Be happy, hey, be happy, hey
Don't worry, worry, don't, don't worry baby
Be happy, hey, be happy, ha

Ireo kung jeoreo kung mwoga geuri mari manha
Oh, utja utja geunyang useo beorija
Iraera jeoraera apeun mareun haji mara
Oh, utja utja geunyang useo beorija

Ireo kung jeoreo kung mwoga geuri mari manha
Oh, utja utja geunyang useo beorija
Iraera jeoraera apeun mareun haji mara
Oh, utja utja geunyang useo beorija

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