YOU SAID:
We are very, very happy for your success.
INTO JAPANESE
あなたの成功を心から嬉しく思います。
BACK INTO ENGLISH
I am so happy for your success.
INTO JAPANESE
あなたの成功をとても嬉しく思います。
BACK INTO ENGLISH
I am so happy for your success.
That didn't even make that much sense in English.