Mary berbat bir şekilde hayal kırıklığına uğratıldı.
- Mary has been badly let down.
Kitabın tamamını okursanız hayal kırıklığına uğramazsınız.
- You won't be let down if you read the entire book.
I promised him I would meet him there, and I will not let him down.
He really let me down when he didn't arrive on time.
After seeing all the advertisements, the show itself was quite a let-down.
... And I felt very let down when I heard that. Because I thought what came out of considering ...
... And if you let down your guard at all on that, ...