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1. Im disappointed by the governments decision (i.e., I think the decision would affect me negatively, although it might be good for the nation).
2. Im disappointed at the result (i.e., the result does not reflect well the effort).
3. Im disappointed in you (i.e., I believed in you / your ability, but you betrayed my trust).
4. Im disappointed with your performance (i.e., I still believe in you, but your performance was below my expectation).
5. Im disappointed about something (i.e., Im displeased with the process / event(s) that brought about the unexpected outcome).
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