YOU SAID:
来週の日曜日、是非、会いに来てください。
INTO JAPANESE
来週の日曜日、是非、会いに来てください。
BACK INTO ENGLISH
Please come see me next Sunday.
INTO JAPANESE
来週の日曜日に会いに来てください。
BACK INTO ENGLISH
Please come see me next Sunday.
That didn't even make that much sense in English.