她没有被选中感到很沮丧

She was disappointed not to be chosen.

她没有被选中感到很沮丧。

She was disappointed not to be accepted into the club.

她没有获准加入俱乐部，感到失望。

He was disappointed with his exclusion from the England squad.

他对自己没有入选英格兰队感到失望。

You should have accepted that. I’m disappointed in you.

你本应该接受那个的，我对你很失望。

Once again he was disappointed in love.

他又一次失恋了。

I’m disappointed in you ─ I really thought I could trust you!

你真让我失望——我原以为可以相信你的！

To say we are disappointed about this is putting it mildly.

说我们对此很失望是很客气的说法。

I was disappointed to find that they had left already.

我发现他们已经离开了，觉得很失望。

I’m disappointed (that) it was sold out.

全都卖完了，我感到很失望。

I was disappointed that Kluge was not there

克卢格不在那儿，我很失望。

let down失望;辜负;使沮丧;使美中不足;使不理想;给（轮胎等）放气

But then to be let down like that, oh it’s so unfair!

但是接下来竟让人如此失望，唉，这真不公平！

He trudged home feeling lonely and let down.

他步履艰难地往家走，感到孤独而沮丧。

Sadly, the film is let down by an excessively simple plot.

遗憾的是，过于简单的情节使得这部电影差强人意。

Don’t let down even if the going is good.

即便在顺利的情况下也不要松劲。