damp squib

US /dæmp skwɪb/
UK /dæmp skwɪb/
"damp squib" picture
1.

啞炮, 令人失望的事

something that is expected to be exciting, impressive, or effective but turns out to be disappointing or a failure

:
The highly anticipated concert turned out to be a bit of a damp squib, with poor sound quality and a short setlist.
這場備受期待的音樂會結果卻是個啞炮,音質差,歌單短。
Despite all the hype, the new product launch was a bit of a damp squib, failing to generate much excitement.
儘管大肆宣傳,新產品發布會卻是個啞炮,未能激起多少熱情。