区别在于具体含义用法的不同。
1、表示对某人感到失望,通常用介词with, in,不可用at。
例句:
①Castle-hunters won't be disappointed with the Isle of Man.
马恩岛不会让城堡探寻者失望的。
②I must admit that I'm very disappointed in you.
我必须承认,我对你非常失望。
2、表示对某事感到失望,一般用介词at,with,也可用about,但不可用in。
例句:
①He is not disappointed at the failure to make headway towards resolving their differences.
他们之间的分歧依然未能解决,他对此并不感到沮丧。
②He was disappointed at the result.
他对这样的结果感到失望。
③Are you very disappointed about losing the race?
你是否对在比赛中失利很失望?
3、表示对某一行为感到失望,通常用介词at, about,不可用with,in。
例句:
①Pardew said: He went straight home after the game and I am very disappointed about that.
帕度说我对他直接离场回家的作法感到失望。
②He was really disappointed about at not being able to go.
他未能去成感到失望。