disappoint/dɪsəˈpɔɪnt/
vt.1. 使失望；使扫兴The book disappointed me.这本书令我失望。
I'm sorry to disappoint you, but I can't agree with you there after all.使你失望我心里很不安，不过我实在是不能同意你的意见。
Geoffrey was a little disappointed by this but he did as his daughter asked.杰弗里因此感到有点扫兴，但他还是按照他女儿的要求做了。
My parents will be disappointed in / with me if I fail to get the master degree.如果我得不到硕士文凭，我的父母将为我感到失望。
Are you very disappointed about / at losing the game?你是不是因为比赛输了而感到很失望？
2. 使希望落空；使计划受挫