let me down
Examples
I left school with basically nothing, I was a special needs kid. I did feel as though my school had let me down.
To Richard Milhous Nixon, who never let me down.
I feel so fortunate, so honored, to have played this game that I love for so long, with so many great players, and in front of so many wonderful fans. I fulfilled a childhood dream the first time I stepped on an NFL field, and the league did not let me down one time.
The Lord has been with me throughout my life. He's never let me down.
They were very considerate, I must say. Every time I felt I was about to slip out of these fingers and would yell for help, they'd let me down and re-organize things.
Ziggy, when you go up bring me up and when you go down don't let me down. Stephen, Money can't buy you life.