Do not just read the phrases silently. Listen to the sounds in your head and speak aloud. Read the Romanian phrase, then look at the German translation. Say the German sentence out loud five times. This builds muscle memory in your tongue and lips.
A typical Niculescu conversation guide follows a thematic, phrase-based layout: Ghid De Conversatie Roman German Niculescu.pdf
La hotel:
La restaurant:
Urgențe: