If you think I'm the one who broke the vase, you're barking up the wrong tree
He's trying to get a promotion by badmouthing his colleagues, but he's barking up the wrong tree
She believes her lost keys are in the car, but I suspect she's barking up the wrong tree
The detective is questioning the wrong suspect; he's barking up the wrong tree
You're barking up the wrong tree if you expect me to lend you money again
Trying to convince the boss to give you a raise during budget cuts is barking up the wrong tree
The company thinks they can solve the problem by just increasing marketing, but they're barking up the wrong tree
He kept asking for advice from his uncle, but his uncle knew nothing about the subject, so he was barking up the wrong tree
If you're looking for the original manuscript, you're barking up the wrong tree; it was lost years ago
The journalist is investigating the wrong company for the scandal; he's barking up the wrong tree
I think you are mistaken about my intentions.
No, you are definitely barking up the wrong tree with that accusation.
I assure you, my motives are pure and simple.
You're barking up the wrong tree with that accusation
Your accusation is completely misguided and incorrect
You're pursuing a false lead with that accusation