YOU SAID:

Mom thinks I am a dissapointment

INTO JAPANESE

ママは私をがっかりだと思っている

BACK INTO ENGLISH

Mom thinks me disappointed

INTO JAPANESE

ママは私をがっかりさせたと思う

BACK INTO ENGLISH

I think mom disappointed me

INTO JAPANESE

ママは私を失望させたと思う

BACK INTO ENGLISH

I think mom disappointed me