YOU SAID:
I'll always be your dearest friend.
INTO JAPANESE
私はいつもあなたの大切な友達になります。
BACK INTO ENGLISH
I will always be your important friend.
INTO JAPANESE
私はいつもあなたの大切な友達になります。
BACK INTO ENGLISH
I will always be your important friend.
That didn't even make that much sense in English.