رعدوبرق — thunder and lightning
Transliteration: ra'd-o-bargh
A loud sound and a sudden flash in the sky.
صدای بلند و نور ناگهانی در آسمان.
Examples
دیشب از رعدوبرق ترسیدیم.
Dishab az ra'd-o-bargh tarsidim.
We were frightened by the thunder and lightning last night.