bet on the wrong horse
выбирать неверный курс, "поставить не на ту лошадь"
"I am sure you are betting on the wrong horse when you try to support that project."
Другие идиомы:
- get on one's high horse
- hold one's horses
- put the cart before the horse
- horse sense
- change horses in midstream
- you can lead a horse to water (but you can't make it drink)
- lock the barn door after the horse is gone
- horse trade
- wild horses could not drag (someone away)
- horse of a different color
- look a gift horse in the mouth
- straight from the horse's mouth
- get off one's high horse
- dark horse
- eat like a horse