fall flat
US /fɔl flæt/
UK /fɔl flæt/

1.
gagal, tidak berhasil
fail to produce an intended effect; be unsuccessful
:
•
His jokes often fall flat with the audience.
Leluconnya seringkali gagal menghibur penonton.
•
The marketing campaign seemed to fall flat, as sales did not improve.
Kampanye pemasaran tampaknya gagal, karena penjualan tidak meningkat.