YOU SAID:
if you know you're happy and you know it clap your hands!
INTO JAPANESE
あなたが幸せだとわかっていて、それがわかっているなら、手を叩いてください!
BACK INTO ENGLISH
If you know you are happy and you know it, clap your hands!
INTO JAPANESE
あなたが幸せだとわかっていて、それを知っているなら、手を叩いてください!
BACK INTO ENGLISH
If you know you are happy and you know it, clap your hands!
That didn't even make that much sense in English.