I don’t want to disappoint my parents.
I hope I won't disappoint you with my performance.
I am too disappointed to talk right now.
I was too disappointed to reply politely.
She is afraid of disappointing her family.
We are afraid of disappointing our parents.
They were too disappointed to look hopeful.
She was too disappointed to attend the party.
She is disappointed in her friend’s behavior.
We got too disappointed to discuss the result.
They are too disappointed to trust the promise.
I am disappointed in myself for not preparing well.