An axe to grind
Idiom / PhraseSSC PYQ × 6A personal reason for being involved in something
अपना उल्लू सीधा करना
The objection was fair, but he had an axe to grind.
To have an axe to grind hides behind a principle.
Daily use: Uska apna axe to grind tha.
Axe = कुल्हाड़ी, grind = धार लगाना। जो इंसान बहुत मीठी-मीठी बातें करे, समझिए उसकी अपनी कोई कुल्हाड़ी है जिस पर धार लगवानी है — कोई निजी स्वार्थ।
Axe means 'kulhaadi' and grind means to sharpen. When someone flatters you far too sweetly, suspect that he has an axe of his own to get sharpened: a selfish personal motive.
Answer है — a personal / selfish reason for being involved; 'ulterior motive' पास का option है, जबकि 'disinterested' और 'impartial' उल्टे हैं।
The answer is 'a personal or selfish reason for being involved'; 'ulterior motive' is a close option, while 'disinterested' and 'impartial' are opposites.