"To stand up" means to rise from a seated or lying position to a vertical position on one's feet. It often implies moving quickly or deliberately from sitting or lying down to standing, as in the phrase, "They stand up quickly."
Translations
levantarse
opstaan
levantar-se
se lever
aufstehen
Etymology
The phrase "to stand up" originates from Old English "standan," meaning to remain upright or be in an upright position. The addition of "up" emphasizes the movement from a lower to a higher position. Did you know? The phrase has been used since the Middle Ages to describe both literal standing and metaphorical rising, like standing up for a cause.