本日の英語フレーズ　 Today’s English Phrase

Meaning: waste one’s efforts by pursuing the wrong thing or path
to make a wrong choice. Make a mistake or wrong assumption in something you are trying to achieve.

Example Sentences:
1.- It was a very sensitive case and yet for over one year the investigators kept barking up the wrong tree.
2.- If you think you will solve the problem by following those steps, you are barking up the wrong tree.