"feeling let down" is a correct and usable expression in written English.
You can use it to describe a situation when someone has been disappointed by the actions or behavior of another person. For example, "I was feeling let down when my friend stood me up for our lunch date."
Although women feel frustrated nearly every year they often end up feeling let down on Feb. 14 it's not always their partner's fault.
I don't remember feeling let down by her, or sad.
I left shaken up, and feeling let down by my cultural compatriots.
But for the first time one is left feeling let down by the Adobeans.
Some of those who know Mr. Spitzer spoke Wednesday of feeling let down, of losing trust in a friend.
And far from feeling let down, I was very excited to pick up Zoe at the airport.
There is a feeling that people feel let down.
Raymond Majongwe, secretary general of the 14,000-strong Progressive Teachers Unionn, said: "I'm feeling seriously let down by the MDC.
"It shows that stretching over a 20-year period a series of mistakes were made which left a number of women feeling seriously let down and for that there is absolutely no excuse whatsoever," he added.
"But in terms of council housing and housing association tenants, I feel really naive because I didn't realise these people were in a similar position … It's really upsetting seeing people with children feeling completely let down and not sure where they are going to go.
And yet nobody contradicted Gary Lineker, a previous winner of this competition's Golden Boot, when he met a few of us football writers at his hotel on Ipanema beach last Friday, with some of the best views of the morning surf, and confessed to feeling marginally let down by the way Messi's tournament had started to drift.
