[VERB 动词]使失望 If things or people disappoint you, they are not as good as you had hoped, or do not do what you hoped they would do.
[V n]
She knew that she would disappoint him.
她知道她会令他失望的。
A spokesman for UNHCR said he was surprised and disappointed by the decision.
联合国难民署的一位发言人说他对这一决定既震惊又失望。
Oxford
dis·ap·point★/ˌdɪsəˈpɔɪnt; NAmEˌdɪsəˈpɔɪnt/verb1★[transitive , intransitive ]disappoint(sb) |(it disappoints sb that…)to make sb feel sad because sth that they hope for or expect to happen does not happen or is not as good as they hoped 使失望◆Her decision to cancel the concert is bound to disappoint her fans.她决定取消这场音乐会，肯定会使她的歌迷失望。◆I hate to disappoint you, but I'm just not interested.我不想使你扫兴，但我确实不感兴趣。◆The movie had disappointed her (= it wasn't as good as she had expected).这部电影使她失望。◆His latest novel does not disappoint.他最近发表的这部小说没有使人失望。2[transitive ]disappointsth to prevent sth that sb hopes for from becoming a reality 使破灭；使落空◆The new government had soon disappointed the hopes of many of its supporters.新政府不久便使许多支持者的希望破灭了。disappointdisappointsdisappointeddisappointingdis·ap·point/ˌdɪsəˈpɔɪnt; NAmEˌdɪsəˈpɔɪnt/
1to 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.2disappoint somebody’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.