Derja translation of 'عْلَى عِلْمْ بِلْحْكَايَةْ'

عْلَى عِلْمْ بِلْحْكَايَةْ
(PHR)
to have a knowledge of the subject, be aware

I didn't know about that. انا ما كنتش على علم بالحكاية