How to Use "letdown" with Example Sentences

1. There 's letdown in his voice .
2. Derek fisher cautioned against a letdown monday .
3. Despite the enthusiasm , industry experts and even some investment bankers who arranged stock offerings and encouraged their clients to move quickly to drum up capital are worried about a potential letdown .
4. I 'll take this one . You 're the letdown .
5. Do you think I was a letdown ?