don't put the cart before the horse 不要本末倒置

【例句】
What's the rush? Learn to walk before you run. Don't put the cart before the horse.
急什么？先学会走路再学跑步。不要本末倒置。

Wait until we buy a cart before you build the garage; don't put the cart before the horse.
等我们把汽车买到你再修车库好了；不要本末倒置。