disappoint at (v.+prep.)
对…失望 feel upset
He was disappointed at the result.他对这样的结果感到失望。
2.disappoint in (v.+prep.)
对…失望 feel upset
1) be disappointed in sb/sth
I'm disappointed in her.我对她感到失望。
3.disappoint with (v.+prep.)
对…失望 feel upset
1) be disappointed with sb/sth
I'm disappointed with you.我对你感到失望。
4.disappoint about (v.+prep.)
对…失望 feel upset
1)be disappointed about sth
用于be ~ed结构
We are much disappointed about the weather.这天气叫我们很扫兴。