Here's a breakdown of what it means:
* Spell: In this context, a spell refers to a magical or irresistible influence.
* Under: Being "under" something suggests being within its power or control.
Here are some examples of how the phrase is used:
* "He fell under her spell, completely smitten by her beauty and wit." This means he was charmed and captivated by her, to the point of being infatuated.
* "The music was so enchanting, I felt myself under its spell." This means the music had a powerful and mesmerizing effect on the person.
* "The city's energy cast a spell on me, making me feel alive and excited." This means the city's vibrancy had a strong influence on the person, making them feel energized and happy.
Essentially, being "under someone's spell" means you are deeply affected by them in a way that you can't easily resist or escape.