English Dictionary

bark up the wrong tree

verb

(idiomatic) To do, believe, or pursue something wrong or inappropriate; to take the wrong approach; to follow a false lead; to blame or rebuke the wrong person.

He's barking up the wrong tree if he thinks I'm the one who ate his sandwich.

意味（1）

(idiomatic) To do, believe, or pursue something wrong or inappropriate; to take the wrong approach; to follow a false lead; to blame or rebuke the wrong person.

You're not the first man who has made such a mistake, and found he was barking up the wrong tree.