1, 2, 3! Knock, Knock, Knock! Oh
Knock, Knock, Knock! Oh, Baby
Knock, Knock, Knock! Oh, Baby
Knock, Knock, Knock! Yeah

Naega neol joha haneunde
Museun mari pilyo hande
Wae jakku nal pi haneunde
Wae nareul mireo naeryeo haneunji

Oh- Oh-
Neon nareul mideo bwa
Nae mameul yeshim hajima

Naega deureo gado dweneunji
Oneuldo neol gidaryeo
I bami gipeo ganeun geol
Naemam neol hyanghae ganeun geol

Oh- Oh-
Imi neon naye jeonbu, nae modeun geoseul georeo
I Can Feel You! ni mameul yeoreo

Knock, Knock, Knock! Oh Everyday, meorit sogeun neoro gadeuk hande
Knock, Knock, Knock! Oh Every Night, Oh-
Knock, Knock, Knock! Oh Everyday, nae modeungeol da julgeoya Always
Knock, Knock, Knock! Oh Every Time, Oh-

Nan neoman bara boneunde
Mwoga mame geollineun geonji
Wae jakku twing gineun geonde
Wae nemam an juryeogo haneunji

Oh- Oh-
Neon nareul ttarawa
Nae mameul yeshim hajima

Dudeurimyeon yeollil georaneun
Geu mareul nan mid neun geol
I bam neol tteo olli neun geol
Naemam neol wihae itneun geol

Oh- Oh-
Ije neon naye unmyeong, nae modeun geoseul bakkwo
I Can Be Yours! ni mameul neukkyeo

Knock, Knock, Knock! Oh Everyday, meorit sogeun neoro gadeuk hande
Knock, Knock, Knock! Oh Every Night, Oh-
Knock, Knock, Knock! Oh Everyday, nae modeungeol da julgeoya Always
Knock, Knock, Knock! Oh Every Time, Oh-

Ije dadhyeo itdeon neoye mameul yeoreojwo
Ajik haji mot han hanmadi
Na gidarilge, ne maeum ye mun apeseo
Sarang hanaro jikyeo julge Oh Last Forever