Translation of "rudimentary" into Romanian

He had the rudimentary scientific background, but it's highly unlikely he could have succeeded on his own.

Are un bagaj ştiinţific rudimentar dar e foarte puţin probabil ca să fi reuşit singur.

You are a pathetic junkie, too stupid to understand and follow simple rudimentary instructions.

Eşti un narcoman patetic, prea prost să înţeleagă şi să urmeze nişte instrucţiuni simple, elementare.