This is the 14354th most frequent Russian word.
отличает
"Distinguishes" or "sets apart."
Here, 'отличает' is used in the sense of 'distinguishes' or 'makes different from' and is followed by the preposition 'от' (from), indicating comparison.
Умение анализировать отличает его от других людей.
The ability to analyze distinguishes him from other people.
In this sentence, 'отличает' is employed in interrogative form to express the characteristic or quality that sets apart a particular subject ('хорошего учителя').
Что отличает хорошего учителя?
What distinguishes a good teacher?
Here, 'отличает' is used to denote labeling or identifying something as specific, showcasing its function in categorization or definition.