boşa çıkarmak, hayal kırıklığına uğratmak

listen to the pronunciation of boşa çıkarmak, hayal kırıklığına uğratmak
Türkçe - İngilizce
let down
To disappoint; to betray or fail somebody

I promised him I would meet him there, and I will not let him down.

If something lets you down, it is the reason you are not as successful as you could have been. Many believe it was his shyness and insecurity which let him down Sadly, the film is let down by an excessively simple plot
disappoint; lower; lengthen, let out a hem in order to make an article of clothing longer
fail to meet the hopes or expectations of; "Her boyfriend let her down when he did not propose marriage"
move something or somebody to a lower position; "take down the vase from the shelf"
If you let down something such as a tyre, you allow air to escape from it. I let the tyres down on his car Remove wheelnuts, let down tyre, put on spare. = deflate
If you let someone down, you disappoint them, by not doing something that you have said you will do or that they expected you to do. Don't worry, Xiao, I won't let you down When such advisers fail in their duty, they let down the whole system. + let down let down The company now has a large number of workers who feel badly let down