This is the 112th most frequent Romanian word.
trebui
"Trebuie" means "must" or "need to" in English.
The word 'trebui' is used to denote necessity or obligation in this sentence.
Eu trebuie să merg la magazin.
I need to go to the store.
Here, 'trebui' conveys a requirement for achieving a desired outcome.
Tu trebuie să studiezi dacă vrei să treci examenul.
You must study if you want to pass the exam.
In this case, 'trebui' is employed to indicate a negative obligation or prohibition.