南辕北辙的英文：
[Literal Meaning]
south/shafts of a cart or carriage/north/trail
to try to go south by driving the chariot north

[解释]
辕：车辕；辙：车印。比喻行动和目的正好相反。

[Explanation]
to act in a way that defeats one's purpose

[例子]
你本来不是打算存一笔钱买房子吗？你花这么多钱在摄影上不是南辕北辙吗？

[Example]
You meant to save some money to buy an apartment, right? Isn't it acting in a way that defeats your purpose for you to have spent so much money on photography?

[英文等价词]
poles apart

Be diametrically opposite
南辕北辙

heading in the wrong direction;Go south by driving the chariot north;diametrically opposite
南辕北辙

Sufficient coordination between banking and marketing executives should be enough to eliminate divergence of results
业务经理和市场营销经理必须进行充分合作借以消除结果上的南辕北辙。