YOU SAID:
Leave me be, dearest youth.
INTO JAPANESE
親切な青年にしておいてください。
BACK INTO ENGLISH
Please be a kind young man.
INTO JAPANESE
親切な若者になってください。
BACK INTO ENGLISH
Please become a kind young man.
INTO JAPANESE
親切な若い男になってください。
BACK INTO ENGLISH
Please become a kind young man.
That didn't even make that much sense in English.