English · Greetings & Phrases
/lɛt daʊn/
[/lɛt daʊn/]
disappoint; lower
To disappoint someone by failing to do what they expected, or to lower something.
I promised to help, and I won't let you down.
I promised to help, and I won't let you down.
From 'let' plus 'down', the idea of allowing someone to fall.
Common for disappointment.