To pursue a mistaken or misguided course of action.
गलत दिशा में प्रयास करना। (galat disha mein prayas karna)
"If you think I'm guilty, you're barking up the wrong tree."
"अगर तुम सोचते हो कि मैं दोषी हूं, तो तुम गलत दिशा में जा रहे हो।" (agar tum sochte ho ki main doshi hoon, to tum galat disha mein ja rahe ho)
to have a surgical operation
to announce one’s intention to compete for a position or off...
to try very hard to help or please someone
to monitor someone or something closely
to enter data using a keyboard or keypad
to achieve a small success but fail in the larger goal