Bay at the moon(idiom)
To make appeals in vain.
Hindi meaning:व्यर्थ में प्रयास करने के लिए
Synonyms: Lash The Waves, Beat The Air, Speak To The Winds, Milk The Ram
Example: You're looking for the perfect man and he doesn't exist. You're baying at the moon.
Trick to remember: Moon pe jane ki sochna Bay at the moon hai. 
