YOU SAID:
If you only knew how to laugh and dance
INTO JAPANESE
笑って踊る方法を知っているだけなら
BACK INTO ENGLISH
If you just know how to laugh and dance
INTO JAPANESE
笑って踊る方法を知っているだけなら
BACK INTO ENGLISH
If you just know how to laugh and dance
That didn't even make that much sense in English.