(Brit. informal)in trouble or difficulty(英 非正式)在困境中
put the cart before the horse
reverse the proper order or procedure of something本末倒置
英语四级真题
Nadeau notices the pre-made macaron-and-cheese boxes in Scott's shopping cart and suggests she switch to whole grain macaroni and real cheese.
2018年12月四级真题（第一套）阅读 Section B
英语六级真题
He should not put the cart before the horse
出自-2014年6月听力原文
Toyohashi University of Technology has developed Terapio, a robotic medical cart that can make hospital rounds, deliver medications and other items, and retrieve records.
2018年12月六级真题（第二套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
N-COUNT
(旧时的)马车，木车
A cart is an old-fashioned wooden vehicle that is used for transporting goods or people. Some carts are pulled by animals.
A cart or a shopping cart is a large metal basket on wheels which is provided by shops such as supermarkets for customers to use while they are in the shop.
PHRASE
前后颠倒;本末倒置
If you say that someone is putting the cart before the horse, you mean that they are doing things in the wrong order.