Tomorrow's discussion : Share the last time you were frustrated, disappointed or upset about something. What was the reason? How did you feel about it? What did you do about it? Take turns in sharing and discuss more about it.

My answer :
(1) I was disappointed not to be able to eat cookies in my room.
(2) My mother ate them without any saying to me. = My mother ate everything without telling me.
(3) When I got to know the cookies disappear, I was disappointed to my mother. = when i learned that my cookies disappeared, i got disappointed with my mother.
(4) I said to my mother not to touch my cookies. = i told my mother not to touch my cookies.