YOU SAID:
it's marvelous to see you.
INTO JAPANESE
あなたに会うのはすばらしいことです。
BACK INTO ENGLISH
It is great to see you.
INTO JAPANESE
会えて嬉しかったわ
BACK INTO ENGLISH
It was great to see you.
INTO JAPANESE
会えて嬉しかったわ
BACK INTO ENGLISH
It was great to see you.
That didn't even make that much sense in English.