damp squib
US /dæmp skwɪb/
UK /dæmp skwɪb/

1.
mengecewakan, kegagalan
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.
Konsert yang sangat dinanti-nantikan itu ternyata agak mengecewakan, dengan kualiti bunyi yang teruk dan senarai lagu yang pendek.
•
Despite all the hype, the new product launch was a bit of a damp squib, failing to generate much excitement.
Walaupun semua gembar-gembur, pelancaran produk baharu itu agak mengecewakan, gagal menjana banyak keterujaan.
: