| Knock Knock (original) | Knock Knock (translation) |
|---|---|
| Woo Baby Woo Baby | Woo Baby Woo Baby |
| Woo Baby Baby Baby Baby | Woo Baby Baby Baby Baby |
| 하얗게 벌어진 저 꽃잎처럼 | Like that white petal |
| 내 맘도 두드려 활짝 피게 | Knock on my heart so that it blooms |
| 조금씩 조금씩 센스티브하게 | little by little, sensitively |
| 천천히 천천히 Just feel it | Slowly slowly Just feel it |
| 머리부터 발 끝까지 | From head to toe |
| 떨리는 손짓에 | in trembling gestures |
| 나도 모르게 자꾸 | Without knowing it, I keep |
| 손이 올라가요 You | My hand goes up, you |
| 맘의 문을 열어줘 | open the door to your heart |
| 살며시 다가와줘 | come to me softly |
| Come on Come on Come on | Come on Come on Come on |
| Baby only you Woo | Baby only you Woo |
| 더 크게 날 안아줘 | hug me louder |
| 그때 내 맘 들어와 준다고 | Then you will come into my heart |
| 내 맘을 두드려 고백해 | Tap my heart and confess |
| Woo Baby Woo Baby | Woo Baby Woo Baby |
| Woo Baby Baby Baby Baby | Woo Baby Baby Baby Baby |
| 입술은 러블리 핑크색으로 | Lips in a lovely pink color |
| 네 맘에 녹아서 활짝 피게 | Let it melt in your heart and bloom |
| 조금 더 조금 더 같이 있을래 | Would you like to be with me a little more? |
| 천천히 천천히 Just feel it | Slowly slowly Just feel it |
| 괜히 깜빡 나를 보고 | You forgot to look at me |
| 남몰래 윙크해 | secretly wink |
| 나도 모르게 자꾸 | Without knowing it, I keep |
| 손이 올라가요 You | My hand goes up, you |
| 맘의 문을 열어줘 | open the door to your heart |
| 살며시 다가와줘 | come to me softly |
| Come on Come on Come on | Come on Come on Come on |
| Baby only you Woo | Baby only you Woo |
| 더 크게 날 안아줘 | hug me louder |
| 그때 내 맘 들어와 준다고 | Then you will come into my heart |
| 내 맘을 두드려 고백해 | Tap my heart and confess |
| I’m in love everyday | I’m in love everyday |
| With you Woo woo | With you woo woo |
| I’m in love | I'm in love |
| 완전히 깊숙하게 | completely deeply |
| 빠져버린 걸 | that fell out |
| 맘의 문을 열어줘 (Ooh~) | Open the door to your heart (Ooh~) |
| 살며시 다가와줘 (Oh Baby) | Come to me softly (Oh Baby) |
| Come on, Come on Come on | Come on, Come on Come on |
| Baby only you Woo (Woo~) | Baby only you Woo (Woo~) |
| 더 크게 날 안아줘 (안아줘) | Hug me louder (hug me) |
| 그때 내 맘 들어와 준다고 | Then you will come into my heart |
| 내 맘을 두드려 고백해 | Tap my heart and confess |
| Woo Baby Woo Baby | Woo Baby Woo Baby |
| Woo Baby Baby Baby Baby | Woo Baby Baby Baby Baby |
