YOU SAID:

cross my heart won't tell no other

INTO JAPANESE

私の心を横切ってください、他の人には言いません

BACK INTO ENGLISH

cross my heart, don't tell anyone else

INTO JAPANESE

心が交差する、他の人には言わないでください

BACK INTO ENGLISH

Hearts cross, don't tell others

INTO JAPANESE

心は交差する、他人には言わないで

BACK INTO ENGLISH

Hearts cross, don't tell others