vi 失(绝)望(lose all hope (of)) [I， I+prep(of)](fml)：We have no reason to～. Things will get better soon. 我们根本用不着灰心丧气，一切很快就会好的。～for a person 为某人感到失望;～of the future/the humanity/the success 对前途/人类/成功丧失了信心;have～ed of sb 对某人完全失望;(doctor)～of saving a patient's life(大夫)对救活病人已不抱任何希望;(mother)～of ever seeing her son again(母亲)对再见到儿子已不抱任何希望;(student)～of winning a scholarship(学生)对获得奖学金已不抱任何希望;

→ de′spairing adj 失(绝)望的;de-′spairingly adv失(绝)望地;

n 失(绝)望(state of complete loss or lack of) [U][N(of)]：one's～of ever seeing one's son again 感到难以再见到儿子的绝望心情;show～露出失望的神情;fall into/sink in(to)～陷入/陷入绝望; be filled with/be overcome by～充满绝望情绪/悲观绝望;be/cry out/give up sth in～悲观失望/绝望地大叫/因绝望而放弃;be in～of ever being able to pay off one's debts 对能否还清债务丧失信心;drive sb to～使人灰心丧气;〖同〗hopelessness， discouragement;

be the despair of 使人失望：The boy is the～of all his teachers/both his parents/his family. 那男孩使所有老师/双亲/家人大失所望。

【辨异】despairing与desperate、hopeless和despondent的区别见DESPERATE。