be disappointed 介词用什么？

1、表示对某人感到失望,通常用介词 with, in.如：I’m disappointed in you! How could you have lied likethat? 你让我失望了,你怎么能像那样说谎呢?

2、表示对某一行为(doing sth)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。

3、表示对某一事实或情况感到失望,一般用介词 with, at, in 等.如：He’s disappointed at [in] the result. 他对结果感到失望；He must be very disappointed with [at, about] your examresults. 他对你的考试成绩一定非常失望.