إنتــبه وركــز على المعنى المقصود ..

[المـــــري]

Once in a blue moon, it has several meanings but apparently they use it for the rare things
(شيئً نادر جداً)

[العكبري]

اقتباس : المشاركة الأصلية كتبت بواسطة المـــــري [ مشاهدة المشاركة ]

Once in a blue moon, it has several meanings but apparently they use it for the rare things (شيئً نادر جداً)

Thanks buddy for sharing your thoughts with us. However, you only gave us the literal meaning of the expression and what we are looking for is a similar meaning, in Arabic but in the form of an Arabic proverb that serves the same purpose.

Something came into my mind in this regard and I think it is close to some extent to what I am looking for, i.e. in Arabic we say something like:
"في السنه حسنه"

Anyway, I’m still looking for a better phrase other than the one I mentioned above.

Give it another try my friend