This is the 203rd most frequent Bulgarian word.
трябва
"Трябва" means "must" or "have to" in English.
Here, 'трябва' is used to express necessity or obligation.
Трябва да уча за изпита.
I need to study for the exam.
'Трябва' conveys requirement or need here.
На мен трябва време, за да свърша проекта.
I need time to finish the project.
In this interrogative form, 'трябва' asks about obligation.