This is not an idiom. Some people call their loved one by a pet name like "honey" or "darling" or "sweetie."
"To be" is not an idiom - it's a verb.
This sounds like a conflation of two different things, the Land of Milk and Honey, which is "the promised land" or an earthly paradise; and the Days of Wine and Roses, which is our carefree young-adulthood.
Pest is not an idiom. It's a word.
The idiom "apple shiner" means the teacher's pet.
The meaning of the idiom in the pink of health means being in good health.
This is not an idiom. Idioms make no sense unless you know the meaning already. This makes perfect sense. It is a proverb or saying. If you have something sweet, you'll be able to attract more attention than if you have something sour.
The idiom means impress someone is egg on
It's not an idiom - to cope means to deal with, or to handle
"Old hand" is an idiom meaning having lots of experience.
This is not an idiom. Idioms make no sense unless you know the meaning already. This makes perfect sense. It is a proverb or saying. If you have something sweet, you'll be able to attract more attention than if you have something sour.
It is not an idiom. It is an expression. The difference is that an idiom's meaning cannot be derived from the meaning of its individual words. In the expression wolfing down food, the meaning is clearly derived from the meaning of the words, and people have been saying it for hundreds of years.