Once in a blue moon meaning in urdu with example #idioms #shorts

Once in a blue moon means ng in urdu with examle #idioms #onceinabluemoon #learnenglish #englishtourdu #englishgrammar #englishspeaking #spokenenglish #howtospeakenglishfluently #englishtutor #englishtourdusentences #englishclass #students #viral #reel #education #english