海派小小甜心
disappointing 令人失望的 The result was disappointing.结果是令人失望的。disappointed 感到失望的 He was disappointed at the result.他对这样的结果感到失望。
轻舞迷影
口语:let sb. down例如,Dad,I'll never let you down. 爸爸,我决不会让你失望。正式一些,书面语:disappoint sb.例如,It's a pity to disappoint you. 很抱歉让你失望了。