The idiom "apple of someone's eye" means that someone is very important or precious to another person. It is often used to describe a person who is loved and cherished above all others.
The origin of this idiom comes from the ancient belief that the pupil of the eye was a solid object, like an apple, and that it was the most important part of the eye. Therefore, if someone was referred to as the "apple of someone's eye," it meant that they were the most important thing in that person's life.
You can use this idiom in a variety of situations. For example, you might say that your child is the "apple of your eye" to express how much you love and cherish them. You could also use it to describe a romantic partner or a beloved pet.
Overall, the idiom "apple of someone's eye" is a way to express deep affection and love for someone or something that is very important to you.
• My little sister is the apple of my parents' eye.
• The teacher always compliments Sarah, she is the apple of his eye.
• The CEO's daughter is the apple of his eye, he always talks about her achievements.
• My wife is the apple of my eye, I can't imagine my life without her.
• John's sports car is the apple of his eye, he takes care of it like a baby.
• The priceless painting was the apple of the collector's eye, he couldn't resist buying it.