/ˌdɪsəˈpɔɪnt ||; ˌdɪsəˈpɔɪnt/verb [T] to make sb sad because what he/she had hoped for has not happened or is less good, interesting, etc then he/she had hoped 使失望: I'm sorry to disappoint you but I'm afraid you haven't won the prize. 我很抱歉让你失望，但你恐怕没有得奖。