Theseus
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To make a mistake or a false assumption in something you are trying to achieve/believing the wrong explanation for something to have completely misunderstood something or to be totally wrong.
--If you think I'm the guilty person, you're barking up the wrong tree.
--The hitters blamed the team's bad record on the pitchers, but they were barking up the wrong tree.
--He had nothing to do with the robbery - the cops are really barking up the wrong tree this time.
http://www.phrases.org.uk/meanings/56150.html
--If you think I'm the guilty person, you're barking up the wrong tree.
--The hitters blamed the team's bad record on the pitchers, but they were barking up the wrong tree.
--He had nothing to do with the robbery - the cops are really barking up the wrong tree this time.
http://www.phrases.org.uk/meanings/56150.html
