Select the most appropriate meaning of the following idiom.

Apple of one's eye

Someone very precious or dear

The most appropriate meaning of the idiom "apple of one's eye" is (2) Someone very precious or dear.

The other options do not fit the meaning of the idiom.

• Someone who plays all sports is an athlete.
• Someone who behaves courteously is polite.
• Someone with great respect is someone who is held in high esteem.

The idiom "apple of one's eye" is used to describe someone who is very loved and cherished by someone else. It is often used to describe a child or a spouse.