Don't confound the means with the ends.

不要混淆手段与目的。

《新英汉大辞典》

Now, with climate change, another potential disaster looms: shifts in ocean currents that may confound eels during their migrations.

如今，随着气候变化，又隐现出另一种潜在的危险：洋流移位有可能迷惑迁移中鳗鱼。

youdao

To replace thought with revery is to confound a poison with a food.

以梦想代思想，便是把毒物和食物混为一谈。

youdao

And it is this fundamental failure of cognition that has landed six soldiers in the hospital, Israel's international reputation in tatters and Israeli spokesmen - from Netanyahu down - searching for a way to describe a reality they do not understand and explain how they will cope with challenges that confound them.

CENTERFORSECURITYPOLICY: Ending Israel's losing streak

With traffic and traffic lights there to confound smooth progress, putting a foot down when the road does finally open up is one of the few ways an urban driver can exert some control over a journey.

BBC: Traffic

Rudolph, wearing a dark-gray suit and blue shirt with no tie, said his goal had been to confound and anger the federal government and to force the cancellation of the games -- or at least get people to stop attending them.

CNN: Rudolph apologizes for Olympic bombing