to study very hard
estudiar muy duro (estudiar muy duro)
"I can’t go out tonight; I need to hit the books for my exam."
"No puedo salir esta noche; necesito estudiar mucho para mi examen." (No puedo salir esta noche; necesito estudiar mucho para mi examen.)
AI's ability to simulate or mimic human emotions
to have a lot of energy and enthusiasm
to keep a promise or commitment
something easy to achieve or target
To achieve something very difficult or seemingly impossible.
to campaign for a political position