YOU SAID:
I don't know what to do with your kiss on my neck.
INTO JAPANESE
私の首にあなたのキスをどうするかわからない。
BACK INTO ENGLISH
I do not know what to do with your kiss on my neck.
INTO JAPANESE
私の首にあなたのキスをどうするかわからない。
BACK INTO ENGLISH
I do not know what to do with your kiss on my neck.
That didn't even make that much sense in English.