失望: lose hope的: 4次方是 The fourth power of 2 i ...不失望的: undamped感到失望的: bring down灰心失望的: heart sick令人失望的: disappointed; disappointing; discouraging; disillusionary让人失望的: disappointing使感失望的: bringdown使人失望的: disappointing; disappointment使失望的: disappointing令他失望的是: to his disappointment失望的感叹词: phooey失望的星期天: gloomy sunday使失望的事物: disappointme从不叫人失望的: never failing令人感到失望的是: to one's disappointment令人失望的事物: dust and ashes使某人失望的是……: to one's disappointment使人失望的事物: bringdown星期天是失望的: sunday is gloomy令人失望的,令人沮丧的: frustrating他的脸上失望的表情: the disappointed look on his face他脸上掠过失望的神情: a look of disappointment passed over his face一个令人失望的答案: a disappointing answer在令人失望的约会上: i pointed out the joint on the coin at the disappointing appointment