La conjugación del verbo "satisfacer" complica incluso a los hispanohablantes nativos.The conjugation of the verb "satisfacer" is hard even for native speakers of Spanish.
A word or phrase that is only used by experts, professionals, or academics in a particular field (e.g., exposition).
(technical)
El arquitecto logró una maravillosa conjugación de los estilos gótico y futurista.The architect achieved a wonderful conjugation of Gothic and Futurist style.