YOU SAID:
I am extremely disappointed
INTO JAPANESE
とてもがっかりしました
BACK INTO ENGLISH
I was very disappointed
INTO JAPANESE
私はとてもがっかりしました。
BACK INTO ENGLISH
I was very disappointed.
INTO JAPANESE
私はとてもがっかりしました。
BACK INTO ENGLISH
I was very disappointed.
That didn't even make that much sense in English.