"I discuss my new book with the girl."
Translation:Pléim mo leabhar nua leis an gcailín.
Prepositions are really starting to tick me off.... which element of the sentence are na mallaithe rudaí supposed to agree with? No matter what one I think I'm supposed to be using I get it wrong.
na rudaí mallaithe. Adjectives come afterwards.
But, here it's leis because it is followed by an. le + an = leis an.