back the wrong horse
US /bæk ðə rɔŋ hɔrs/
UK /bæk ðə rɔŋ hɔrs/

1.
salah pilih, mendukung yang salah
to support a person or thing that is not successful or that turns out to be a bad choice
:
•
I really backed the wrong horse when I invested all my savings in that failing company.
Saya benar-benar salah pilih ketika menginvestasikan semua tabungan saya di perusahaan yang gagal itu.
•
Many critics felt the director had backed the wrong horse with his experimental film.
Banyak kritikus merasa sutradara telah salah pilih dengan film eksperimentalnya.