mettere il carro davanti ai buoi angolul

put the cart before the horse▼(to put things in the wrong order)
verb
[UK: ˈpʊt ðə kɑːt bɪ.ˈfɔː(r) ðə hɔːs] [US: ˈpʊt ðə ˈkɑːrt bɪ.ˈfɔːr ðə ˈhɔːrs]