dis‧ap‧point W3 / dɪsəpɔɪnt / 动词 [不及物和及物动词]
1 to make someone feel unhappy because something they hoped for did not happen or was not as good as they expected :
I hated to disappoint her.
Great things were expected of this band, and they didn’t disappoint.
2 disappoint sb’s hopes/expectations/plans to prevent something from happening that someone hoped for or expected :
The Berlin settlement of 1878 disappointed Russian hopes in the Balkans.