1.后接介词
2. be disappointed 后接不定式
3. be disappointed 后接that 从句
4.有时可单独用作状语。
be disappointed with *** .对某人失望
be disappointed about sth.对某事失望
后接介词时,情况比较复杂,大致原则如下:
(1)表示对某人感到失望,通常用介词with, in。如:
He is very disappointed in his new secretary. 他对他的新秘书感到很失望。
My parents will be disappointed in [with] me if I fail in the exam. 要是我考试不及格,我父母会对我感到失望的。
(2)表示对某一行为感到失望,通常用介词at, about等。如:
We are all disappointed at [about] his failure. 我们都为他的失败而感到失望。
He was really disappointed about [at] not being able to go. 他未能去成实在感到失望。
(3)表示对某事感到失望,一般用介词about, at, with等。如:
I felt disappointed about the game. 我自己对这场球赛感到失望。
I was disappointed at [with, in] the result. 我对那结果感到失望。
(4)表示因得不到某东西或实现不了某愿望而失望,通常用介词of。如:
I was disappointed of the car. 没等到车子我感到很失望。
He was disappointed of his ambition. 他因实现不了抱负而沮丧。