be disappointed about something

I think we're all very disappointed about the loss last night.

He was a little disappointed about some of that actually.

His parents and relatives were very much disappointed about it but the young man did not regret.

"We are all terribly disappointed about this year," she said.

Smith seemed more disappointed about the loss than the injury.

That's one reason why I'm so disappointed about the decision.

"I'm disappointed about the wind, because all things considered, this was a great race for both of us."

I was kind of disappointed about it at the time.

I feel disappointed and frustrated, however, about the fact that the world's leaders do not appear to take the situation in the world seriously.

In my opinion, you should make it quite clear that we are very disappointed about the situation.