Türkçe Anlamı:

Birini hayal kırıklığına uğratmak

Örnek Cümleler:

- When he missed that penalty, he felt that he'had let the team down.
- We think that this govenrment has let down particular communities.
- Don't worry - I won't let you down this time, I promise.
- He finds it hard to trust anyone - he's been badly let down in the past.