Originally Posted by J.U.N.I.O.R
brat is not an insult. It's just Russian for "brother"
So if you want to insult your little brother in Russian it can be a problem
мой маленький брат - надоедливый ребенок
because the "brat" just refers to "b rother" you have to use "надоедливый ребенок" which is annoying child.
To be clear.
silly Russian with their convoluted alphabet >(